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3601644
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Information
Patent Grant
3601644
References
Source
Patent Number
3,601,644
Date Filed
Not available
Date Issued
Tuesday, August 24, 1971
52 years ago
CPC
H02P25/12 - with shiftable brushes
H02K23/18 - having displaceable main or auxiliary brushes
H02P7/288 - using variable impedance
US Classifications
310 - Electrical generator or motor structure
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