Improvements in or relating to electric communication systems,申请号GB19540029747-传众专利搜索

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发明名称	Improvements in or relating to electric communication systems
摘要
申请公布号	GB752180(A)	申请公布日期	1956.07.04
申请号	GB19540029747	申请日期	1954.10.15
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人	JACOBSEN BENT BULOW
分类号	H04B1/64	主分类号	H04B1/64
代理机构		代理人
主权项
地址

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