Improvements in or relating to multilayer photographic elements,申请号GB19450033864-传众专利搜索

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发明名称	Improvements in or relating to multilayer photographic elements
摘要
申请公布号	GB605099(A)	申请公布日期	1948.07.15
申请号	GB19450033864	申请日期	1945.12.14
申请人	E. I. DUPONT DE NEMOURS & CO.	发明人
分类号	G03C7/26	主分类号	G03C7/26
代理机构		代理人
主权项
地址

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