Improvements relating to wired radio signalling systems,申请号GB19460006654-传众专利搜索

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发明名称	Improvements relating to wired radio signalling systems
摘要
申请公布号	GB608991(A)	申请公布日期	1948.09.23
申请号	GB19460006654	申请日期	1946.03.04
申请人	THE BRITISH THOMSON-HOUSTON COMPANY LIMITED;JAMES MOIR	发明人
分类号	H04H20/77	主分类号	H04H20/77
代理机构		代理人
主权项
地址

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