Procédé d'enregistrement ou de reproduction de vibrations ou de reproduction d'enregistrements de vibrations, et dispositif approprié,申请号FRD920997-传众专利搜索

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发明名称	Procédé d'enregistrement ou de reproduction de vibrations ou de reproduction d'enregistrements de vibrations, et dispositif approprié
摘要
申请公布号	FR920997(A)	申请公布日期	1947.04.23
申请号	FRD920997	申请日期	1946.01.31
申请人	N. V. PHILIPS' GLOEILAMFENFABRIEKEN	发明人
分类号	G11B11/00	主分类号	G11B11/00
代理机构		代理人
主权项
地址

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