Improvements in or relating to radio relay stations,申请号GB19490012731-传众专利搜索

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发明名称	Improvements in or relating to radio relay stations
摘要
申请公布号	GB661801(A)	申请公布日期	1951.11.28
申请号	GB19490012731	申请日期	1949.05.12
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人
分类号	H01J25/38;H04B7/155;H04N5/40	主分类号	H01J25/38
代理机构		代理人
主权项
地址

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