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发明名称
Electric motor control system and curve tracer
摘要
申请公布号
US2933668(A)
申请公布日期
1960.04.19
申请号
US19570670808
申请日期
1957.07.09
申请人
CANADIAN WESTINGHOUSE COMPANY, LTD.
发明人
BROUWER FRANS
分类号
主分类号
代理机构
代理人
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