Method of making sound picture films,申请号US19470790423-传众专利搜索

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发明名称	Method of making sound picture films
摘要
申请公布号	US2480162(A)	申请公布日期	1949.08.30
申请号	US19470790423	申请日期	1947.12.08
申请人	PETER F. ROSSMANN	发明人	RATH KARL
分类号	G11B5/633;G11B15/34	主分类号	G11B5/633
代理机构		代理人
主权项
地址

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