Method of producing direct positive photographic images,申请号US19480044215-传众专利搜索

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发明名称	Method of producing direct positive photographic images
摘要
申请公布号	US2497876(A)	申请公布日期	1950.02.21
申请号	US19480044215	申请日期	1948.08.13
申请人	EASTMAN KODAK COMPANY	发明人	FALLESEN GEORGE EARLE;SPENCE JOHN
分类号	G03C1/485	主分类号	G03C1/485
代理机构		代理人
主权项
地址

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