Nonintermittent cinematographic projector,申请号US19460644105-传众专利搜索

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发明名称	Nonintermittent cinematographic projector
摘要
申请公布号	US2454504(A)	申请公布日期	1948.11.23
申请号	US19460644105	申请日期	1946.01.29
申请人	EHRENHAFT FRANZ F	发明人	EHRENHAFT FRANZ F.
分类号	G03B41/08	主分类号	G03B41/08
代理机构		代理人
主权项
地址

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