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经营范围
发明名称
Improvements in or relating to colour photography
摘要
申请公布号
GB571078(A)
申请公布日期
1945.08.03
申请号
GB19450000994
申请日期
1945.01.12
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
分类号
G03C7/28
主分类号
G03C7/28
代理机构
代理人
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