Improvements relating to electrical coupling circuits,申请号GB19530035860-传众专利搜索

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发明名称	Improvements relating to electrical coupling circuits
摘要
申请公布号	GB757624(A)	申请公布日期	1956.09.19
申请号	GB19530035860	申请日期	1953.12.24
申请人	SIEMENS BROTHERS & CO. LIMITED	发明人	CLARK RONALD ISAAC HERBERT
分类号	H04M11/10	主分类号	H04M11/10
代理机构		代理人
主权项
地址

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