Device for protecting the advancing film in motion picture projectors,申请号US19530340288-传众专利搜索

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发明名称	Device for protecting the advancing film in motion picture projectors
摘要
申请公布号	US2674918(A)	申请公布日期	1954.04.13
申请号	US19530340288	申请日期	1953.03.04
申请人	GOLIBERSUCH LEO E	发明人	GOLIBERSUCH LEO E.
分类号	G03B1/56;G03B21/50	主分类号	G03B1/56
代理机构		代理人
主权项
地址

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