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发明名称
ALTERNATING CURRENT MOTOR CONTROL SYSTEM
摘要
申请公布号
CA433908(A)
申请公布日期
1946.04.02
申请号
CAD433908
申请日期
申请人
CANADIAN WESTINGHOUSE COMPANY
发明人
WILLIAM R. WICKERHAM
分类号
主分类号
代理机构
代理人
主权项
地址
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