Film guiding mechanism for sound recording and reproducing apparatus,申请号US19290382564-传众专利搜索

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发明名称	Film guiding mechanism for sound recording and reproducing apparatus
摘要
申请公布号	US1884168(A)	申请公布日期	1932.10.25
申请号	US19290382564	申请日期	1929.07.31
申请人	OWENS DEVELOPMENT CORPORATION	发明人	OWENS FREEMAN H.
分类号	G11B15/60	主分类号	G11B15/60
代理机构		代理人
主权项
地址

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