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发明名称
Means for improving the commutation of commutator motors
摘要
申请公布号
US2112506(A)
申请公布日期
1938.03.29
申请号
US19350042127
申请日期
1935.09.25
申请人
BENNO SCHWARZ
发明人
SCHWARZ BENNO
分类号
H02K27/22
主分类号
H02K27/22
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代理人
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