Method of producing photographic transparencies,申请号US19380223677-传众专利搜索

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发明名称	Method of producing photographic transparencies
摘要
申请公布号	US2218828(A)	申请公布日期	1940.10.22
申请号	US19380223677	申请日期	1938.08.08
申请人	NE PAGE ERVIN R	发明人	PAGE ERVIN R. NE
分类号	G03C11/18	主分类号	G03C11/18
代理机构		代理人
主权项
地址

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