Photographic elements containing antihalation layers,申请号US19380245528-传众专利搜索

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发明名称	Photographic elements containing antihalation layers
摘要
申请公布号	US2182794(A)	申请公布日期	1939.12.12
申请号	US19380245528	申请日期	1938.12.13
申请人	DU PONT FILM MANUFACTURING CORPORATION	发明人	DAWSON GEORGE A.
分类号	G03C1/835	主分类号	G03C1/835
代理机构		代理人
主权项
地址

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