Improvements in or relating to electric signalling lines,申请号GB19500020426-传众专利搜索

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发明名称	Improvements in or relating to electric signalling lines
摘要
申请公布号	GB682817(A)	申请公布日期	1952.11.19
申请号	GB19500020426	申请日期	1950.08.17
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人	LEWIN LEONARD
分类号	H01P3/10	主分类号	H01P3/10
代理机构		代理人
主权项
地址

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