Self threading motion picture projector,申请号US19580737429-传众专利搜索

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发明名称	Self threading motion picture projector
摘要
申请公布号	US3029686(A)	申请公布日期	1962.04.17
申请号	US19580737429	申请日期	1958.05.23
申请人	BELL & HOWELL COMPANY	发明人	BERNZOTT HUGO
分类号	G03B1/56	主分类号	G03B1/56
代理机构		代理人
主权项
地址

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