Improvements in photographic materials,申请号GB19650026420-传众专利搜索

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法人/股东/高管

发明名称	Improvements in photographic materials
摘要
申请公布号	GB1117320(A)	申请公布日期	1968.06.19
申请号	GB19650026420	申请日期	1965.06.22
申请人	E. I. DU PONT DE NEMOURS AND COMPANY	发明人
分类号	C07D277/36;G03C1/492	主分类号	C07D277/36
代理机构		代理人
主权项
地址

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