Motion-picture projector for film with pictures in alternate series,申请号US19440568976-传众专利搜索

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发明名称	Motion-picture projector for film with pictures in alternate series
摘要
申请公布号	US2505965(A)	申请公布日期	1950.05.02
申请号	US19440568976	申请日期	1944.12.20
申请人	HOLMES OSCAR J	发明人	HOLMES OSCAR J.
分类号	G03B21/32	主分类号	G03B21/32
代理机构		代理人
主权项
地址

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