Improvements in or relating to electrical control mechanism for controlling the speed of a rotatable element,申请号GB19570008548-传众专利搜索

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发明名称	Improvements in or relating to electrical control mechanism for controlling the speed of a rotatable element
摘要
申请公布号	GB877211(A)	申请公布日期	1961.09.13
申请号	GB19570008548	申请日期	1957.03.15
申请人	ELECTRIC & MUSICAL INDUSTRIES LIMITED	发明人	CHALMERS DAVID ARTHUR
分类号	G11B15/46;G11B15/56	主分类号	G11B15/46
代理机构		代理人
主权项
地址

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