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发明名称
Reversing brush means for electric generators
摘要
申请公布号
US1990767(A)
申请公布日期
1935.02.12
申请号
US19320646764
申请日期
1932.12.12
申请人
FAIRBANKS, MORSE & CO.
发明人
WHITSITT WILLAIM B.;WALTER HENRY C.
分类号
H02K23/18
主分类号
H02K23/18
代理机构
代理人
主权项
地址
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