Improvements in or relating to speed control devices for step-by-step electric motors,申请号GB19290010868-传众专利搜索

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发明名称	Improvements in or relating to speed control devices for step-by-step electric motors
摘要
申请公布号	GB331834(A)	申请公布日期	1930.07.08
申请号	GB19290010868	申请日期	1929.04.08
申请人	REGINALD ERIC OLLERENSHAW	发明人
分类号	H02K7/065	主分类号	H02K7/065
代理机构		代理人
主权项
地址

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