SYSTEM FOR PREVENTING FILM FIRE IN MOTION PICTURE PROJECTORS,申请号CAD466453-传众专利搜索

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发明名称	SYSTEM FOR PREVENTING FILM FIRE IN MOTION PICTURE PROJECTORS
摘要
申请公布号	CA466453(A)	申请公布日期	1950.07.11
申请号	CAD466453	申请日期
申请人	FRANCIS BENEDICT GROSZ, SR.	发明人	FRANCIS BENEDICT GROSZ, SR.
分类号		主分类号
代理机构		代理人
主权项
地址

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