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发明名称
Electronic motor speed control
摘要
申请公布号
US2572824(A)
申请公布日期
1951.10.23
申请号
US19490075230
申请日期
1949.02.08
申请人
SERVO-TEK PRODUCTS CO., INC.
发明人
WILKINS FLOYD V.
分类号
H02P7/26
主分类号
H02P7/26
代理机构
代理人
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地址
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