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3757186
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Information
Patent Grant
3757186
References
Source
Patent Number
3,757,186
Date Filed
Not available
Date Issued
Tuesday, September 4, 1973
50 years ago
CPC
B60L9/00 - Electric propulsion with power supply external to vehicle
H02P1/20 - by progressive reduction of resistance in series with armature winding
B60L2200/26 - Rail vehicles
Y10S388/92 - Chopper
US Classifications
318 - Electricity: motive power systems
388 - Electricity: motor control systems
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