Perfectionnements aux dispositifs de radio-signalisation,申请号FRD913121-传众专利搜索

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发明名称	Perfectionnements aux dispositifs de radio-signalisation
摘要
申请公布号	FR913121(A)	申请公布日期	1946.08.29
申请号	FRD913121	申请日期	1945.08.04
申请人	HENRY HUGHES & SON LIMITED	发明人	BECK ARNOLD HUGH WILLIAM;HUGHES ARTHUR JOSEPH
分类号	H01Q3/44	主分类号	H01Q3/44
代理机构		代理人
主权项
地址

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