Apparatus for manufacturing phonographic disks,申请号US19340754471-传众专利搜索

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发明名称	Apparatus for manufacturing phonographic disks
摘要
申请公布号	US2079972(A)	申请公布日期	1937.05.11
申请号	US19340754471	申请日期	1934.11.23
申请人	SOCIETE DES VERNIS PYROLAC S. A. R. L.	发明人	HILAIRE ALBERT BARBIER ST.
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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