60kw 68kw 85kva Prime Power AC Alternator for Silent Power Generator Set
ELEPHANT BRUSHLESS SYNCHRONOUS AC ALTERNATOR
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Single-bearing and double-bearing type alternators are provided. The installment dimensions are standard, easy to assemble with all kinds of engines. Standard SAE interface with multi-specification can be flexibly interchangeable. Air gap between the stator and rotor core is small , therefore the alternators have high efficiency.
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Excitation stator lamination is made by cold-rolled silicon steel sheet, with one or two high performance NdFeB magnets, so the temperature rising of exciter is low , it will not lose excitation.
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Reliable automatic voltge regulators(AVR) provide consistent excitation on all occasions. Standard AVR:SX400;SX460,OptionAVR:MX321;MX341.
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All alternator rotors are dynamically balanced to be better than miminum vibration of BS6861:part 1 grade 2.5.
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Double-bearing alternators are balanced with half keys.
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MAIN PERFORMANCE
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1.All raw materials are insulated to class H
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2.The standard protection is IP22 (IP23 is optional)
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3.2/3 pitch winding design adopted, that can effectively suppress the third harmonic wave(3rd,9th,15th,etc.).And the design avoids excessive neutral currents result from higher winding pitches , and a fully consecutive damper winding reduce oscillations during paralleling. The 2/3 pitch windings are carefully pole, and tooth ensures very low wave from distortion.
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4.Steady-state voltage regulation rate ≤1%
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5.Total harmonic distortion of output voltage(THD)≤3%
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6.Telephone interference factor(TIF)≤50
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7.Telephone harmonic factor(THF)≤2%
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OPERATION ENVIRONMET
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In the following environmental conditions , the alternators can be in the rated
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operation
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1.Altitude:no more than 1000 meters
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2.Ambienr temperature:-15ºC-40ºC
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3.Relative humidity:no more than 90%
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Genset Model
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Prime Output (1500rpm/50Hz)
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Prime Output (1800rpm/60Hz)
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KW
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KVA
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KW
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KVA
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STG164A
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6.8
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8.5
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8
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10
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STG164B
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8.8
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11
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11
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14
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STG164C
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10.8
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13.5
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13
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16
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STG164D
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12.8
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16
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16
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20
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STG184E
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18
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22.5
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22
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28
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STG184F
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22
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27.5
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25
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31
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STG184G
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25
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31.25
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30
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38
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STG184H
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30
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37.5
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36
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45
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STG184J
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32
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40
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38
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47
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STG224C
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34
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42.5
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40
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50
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STG224D
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40
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50
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48
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60
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STG224E
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48
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60
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56
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70
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STG224F
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58
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72.5
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68
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85
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STG224G
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68
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85
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80
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100
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STG274C
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80
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100
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94
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118
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STG274D
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90
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112.5
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106
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133
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STG274D
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96
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120
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112
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140
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STG274E
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112
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140
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132
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165
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STG274F
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125
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156.25
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148
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185
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STG274G
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144
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180
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160
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200
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STG274H
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160
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200
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188
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235
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STG274J
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180
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225
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200
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250
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STG274K
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200
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250
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240
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300
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STG314C
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200
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250
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240
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300
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STG314D
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230
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287.5
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260
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325
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STG314E
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260
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325
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306
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383
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STG314F
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280
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350
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320
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400
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STG314J
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300
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375
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352
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440
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STG314K
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320
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400
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376
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470
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STG354C
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360
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450
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420
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525
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STG354D
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400
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500
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470
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588
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STG354E
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450
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562.5
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528
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660
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STG354F
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500
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625
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588
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735
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STG354J
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550
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687.5
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640
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800
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LV6B
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600
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750
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700
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875
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LV6C
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640
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800
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752
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940
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LV6D
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720
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900
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840
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1050
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LV6E
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800
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1000
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940
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1175
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LV6F
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904
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1130
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1060
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1325
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LV6G
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1000
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1250
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1176
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1470
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HC7E
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1056
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1320
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1240
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1550
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HC7F
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1200
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1500
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1400
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1750
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HC7G
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1440
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1800
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1700
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2125
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HC7H
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1520
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1900
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1780
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2225
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HC7J
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1720
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2150
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2000
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2500
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