Signalempfänger in einer Trägerwellentelephonieanlage.,申请号CHD206315-传众专利搜索

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法人/股东/高管

发明名称	Signalempfänger in einer Trägerwellentelephonieanlage.
摘要
申请公布号	CH206315(A)	申请公布日期	1939.07.31
申请号	CHD206315	申请日期	1938.12.24
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人	GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号	H04J1/14;H04Q1/442	主分类号	H04J1/14
代理机构		代理人
主权项
地址

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