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3639817
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Information
Patent Grant
3639817
References
Source
Patent Number
3,639,817
Date Filed
Not available
Date Issued
Tuesday, February 1, 1972
52 years ago
CPC
H02K47/02 - Ac/dc converters of vica versa
H02K57/00 - Dynamo-electric machines not provided for in groups H02K17/00 - H02K55/00
US Classifications
318 - Electricity: motive power systems
310 - Electrical generator or motor structure
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