Improvements in or relating to electric control systems for direct current motors,申请号GB19390018781-传众专利搜索

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发明名称	Improvements in or relating to electric control systems for direct current motors
摘要
申请公布号	GB530657(A)	申请公布日期	1940.12.17
申请号	GB19390018781	申请日期	1939.06.28
申请人	WESTINGHOUSE ELECTRIC INTERNATIONAL COMPANY	发明人
分类号	H02P7/288	主分类号	H02P7/288
代理机构		代理人
主权项
地址

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