Improvements in or relating to carrier wave transmission systems,申请号GB19370006473-传众专利搜索

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发明名称	Improvements in or relating to carrier wave transmission systems
摘要
申请公布号	GB469075(A)	申请公布日期	1937.07.19
申请号	GB19370006473	申请日期	1937.03.04
申请人	N.V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H04J1/12	主分类号	H04J1/12
代理机构		代理人
主权项
地址

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