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发明名称
MAGNETIC UNIDIRECTIONAL SYSTEM FOR A MOTOR
摘要
申请公布号
US3525888(A)
申请公布日期
1970.08.25
申请号
USD3525888
申请日期
1969.10.27
申请人
P.R. MALLORY & CO. INC.
发明人
WALLACE L. LINN
分类号
G04C15/00;H02K7/118;(IPC1-7):H02K7/10
主分类号
G04C15/00
代理机构
代理人
主权项
地址
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