Process for recording and reproducing,申请号US19310575062-传众专利搜索

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发明名称	Process for recording and reproducing
摘要
申请公布号	US1960094(A)	申请公布日期	1934.05.22
申请号	US19310575062	申请日期	1931.11.14
申请人	LEON THURM	发明人	THURM LEON
分类号	G11B5/00	主分类号	G11B5/00
代理机构		代理人
主权项
地址

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