Improvements in and relating to means for prolonging the exhibition of a single image in cinematographic projection apparatus,申请号GB19370014894-传众专利搜索

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发明名称	Improvements in and relating to means for prolonging the exhibition of a single image in cinematographic projection apparatus
摘要
申请公布号	GB491042(A)	申请公布日期	1938.08.25
申请号	GB19370014894	申请日期	1937.05.28
申请人	OFFICE GENERAL DE LA CINEMATOGRAPHIE FRANCAISE	发明人
分类号	G03B21/50	主分类号	G03B21/50
代理机构		代理人
主权项
地址

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