Improvements in controlling apparatus for electric motors,申请号GB19290039300-传众专利搜索

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发明名称	Improvements in controlling apparatus for electric motors
摘要
申请公布号	GB351907(A)	申请公布日期	1931.07.02
申请号	GB19290039300	申请日期	1929.12.23
申请人	SULLIVAN MACHINERY COMPANY	发明人
分类号	H02P1/04	主分类号	H02P1/04
代理机构		代理人
主权项
地址

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