Feed mechanism for sound film,申请号US19460641986-传众专利搜索

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发明名称	Feed mechanism for sound film
摘要
申请公布号	US2463411(A)	申请公布日期	1949.03.01
申请号	US19460641986	申请日期	1946.01.18
申请人	EDWIN MYNARD ALFRED	发明人	MYNARD ALFRED EDWIN
分类号	G11B15/34	主分类号	G11B15/34
代理机构		代理人
主权项
地址

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