Support de phonogramme,申请号FRD716656-传众专利搜索

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发明名称	Support de phonogramme
摘要
申请公布号	FR716656(A)	申请公布日期	1931.12.24
申请号	FRD716656	申请日期	1931.05.06
申请人	THE GRAMOPHONE COMPANY LIMITED	发明人
分类号	C22C30/00	主分类号	C22C30/00
代理机构		代理人
主权项
地址

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