Improvements relating to the control of electrically operated apparatus,申请号GB19290026037-传众专利搜索

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发明名称	Improvements relating to the control of electrically operated apparatus
摘要
申请公布号	GB338909(A)	申请公布日期	1930.11.27
申请号	GB19290026037	申请日期	1929.08.27
申请人	SIEMENS BROTHERS & CO., LIMITED;DAVID ADAM CHRISTIAN	发明人
分类号	H04M15/10	主分类号	H04M15/10
代理机构		代理人
主权项
地址

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