Colored photographic mask,申请号US19410413442-传众专利搜索

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发明名称	Colored photographic mask
摘要
申请公布号	US2376132(A)	申请公布日期	1945.05.15
申请号	US19410413442	申请日期	1941.10.03
申请人	EASTMAN KODAK COMPANY	发明人	EVANS RALPH M.
分类号	G03C7/18	主分类号	G03C7/18
代理机构		代理人
主权项
地址

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