Dispositif de transmission stéréophonique du son,申请号FRD937947-传众专利搜索

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发明名称	Dispositif de transmission stéréophonique du son
摘要
申请公布号	FR937947(A)	申请公布日期	1948.08.31
申请号	FRD937947	申请日期	1946.09.05
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H04S3/00	主分类号	H04S3/00
代理机构		代理人
主权项
地址

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