Perfectionnements aux disques de phonographe,申请号FRD1114092-传众专利搜索

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发明名称	Perfectionnements aux disques de phonographe
摘要
申请公布号	FR1114092(A)	申请公布日期	1956.04.09
申请号	FRD1114092	申请日期	1954.11.15
申请人		发明人	PIERRE POL-JOSEPH
分类号	C08J7/06;G11B3/70	主分类号	C08J7/06
代理机构		代理人
主权项
地址

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