Process of preparing polyamide photographic emulsions,申请号US19440532215-传众专利搜索

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发明名称	Process of preparing polyamide photographic emulsions
摘要
申请公布号	US2420455(A)	申请公布日期	1947.05.13
申请号	US19440532215	申请日期	1944.04.21
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	WATKINS WILLIAM W.
分类号	G03C1/04	主分类号	G03C1/04
代理机构		代理人
主权项
地址

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