Control of dc motor speed,申请号GB19800008462-传众专利搜索

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发明名称	Control of dc motor speed
摘要
申请公布号	GB2071875(A)	申请公布日期	1981.09.23
申请号	GB19800008462	申请日期	1980.03.13
申请人	DATAFACE SYSTEMS LTD	发明人
分类号	H02P7/29;(IPC1-7):H02P5/16	主分类号	H02P7/29
代理机构		代理人
主权项
地址

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