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经营范围
发明名称
Improvements in or relating to processes of colour photography
摘要
申请公布号
GB556768(A)
申请公布日期
1943.10.21
申请号
GB19410002598
申请日期
1941.02.26
申请人
E.I. DU PONT DE NEMOURS AND CO.;JAMES EMORY KIRBY
发明人
分类号
G03C7/32
主分类号
G03C7/32
代理机构
代理人
主权项
地址
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