Improvements in or relating to multiplex radio signalling systems,申请号GB19360024941-传众专利搜索

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发明名称	Improvements in or relating to multiplex radio signalling systems
摘要
申请公布号	GB481527(A)	申请公布日期	1938.03.14
申请号	GB19360024941	申请日期	1936.09.12
申请人	EDWIN HOWARD ARMSTRONG	发明人
分类号	H04B14/00;H04J1/20	主分类号	H04B14/00
代理机构		代理人
主权项
地址

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