Perfectionnements aux phonographes à magasin,申请号FRD672752-传众专利搜索

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发明名称	Perfectionnements aux phonographes à magasin
摘要
申请公布号	FR672752(A)	申请公布日期	1930.01.07
申请号	FRD672752	申请日期	1929.04.05
申请人	SYMPHONY GRAMOPHONE & RADIO (FOREIGN) LIMITED	发明人
分类号	G11B17/16	主分类号	G11B17/16
代理机构		代理人
主权项
地址

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