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3895275
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Information
Patent Grant
3895275
References
Source
Patent Number
3,895,275
Date Filed
Not available
Date Issued
Tuesday, July 15, 1975
49 years ago
CPC
H02P27/02 - using supply voltage with constant frequency and variable amplitude
H02H7/0833 - for electric motors with control arrangements
H02P1/08 - Manually-operated on/off switch controlling power-operated multi-position switch or impedances for starting a motor
H02P1/20 - by progressive reduction of resistance in series with armature winding
H02P25/26 - with arrangements for controlling secondary impedance
US Classifications
318 - Electricity: motive power systems
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