Lecteur ou graveur de disque à grande fidélité,申请号FRD981412-传众专利搜索

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法人/股东/高管

发明名称	Lecteur ou graveur de disque à grande fidélité
摘要
申请公布号	FR981412(A)	申请公布日期	1951.05.25
申请号	FRD981412	申请日期	1943.04.05
申请人	SOCIETE FRANCAISE RADIO-ELECTRIQUE	发明人
分类号	H04R9/12	主分类号	H04R9/12
代理机构		代理人
主权项
地址

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