Pellicule ou bande phonographique sans fin,申请号FRD678631-传众专利搜索

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发明名称	Pellicule ou bande phonographique sans fin
摘要
申请公布号	FR678631(A)	申请公布日期	1930.04.02
申请号	FRD678631	申请日期	1928.11.12
申请人		发明人	PLOUVIER PAUL-JOSEPH;GUILBAUD MARIUS
分类号	G11B3/00	主分类号	G11B3/00
代理机构		代理人
主权项
地址

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