Filmfuehrungsrolle fuer Tonfilme,申请号DE1933K130218D-传众专利搜索

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发明名称	Filmfuehrungsrolle fuer Tonfilme
摘要
申请公布号	DE634745(C)	申请公布日期	1936.09.02
申请号	DE1933K130218D	申请日期	1933.05.23
申请人	KLANGFILM G.M.B.H.	发明人	FUHR DIPL.-ING. KARL
分类号	G11B7/00	主分类号	G11B7/00
代理机构		代理人
主权项
地址

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