Disque de phonographe,申请号FRD705593-传众专利搜索

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发明名称	Disque de phonographe
摘要
申请公布号	FR705593(A)	申请公布日期	1931.06.10
申请号	FRD705593	申请日期	1930.01.28
申请人		发明人	SAUGET HENRI-ELOI
分类号	G11B3/70	主分类号	G11B3/70
代理机构		代理人
主权项
地址

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