Improvements in or relating to electric signalling systems,申请号GB19370015544-传众专利搜索

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发明名称	Improvements in or relating to electric signalling systems
摘要
申请公布号	GB496667(A)	申请公布日期	1938.12.05
申请号	GB19370015544	申请日期	1937.06.04
申请人	STANDARD TELEPHONES AND CABLES LIMITED;EDWARD ALBERT HENRY BOWSHER	发明人
分类号	H02J13/00;H04Q9/04	主分类号	H02J13/00
代理机构		代理人
主权项
地址

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