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经营范围
发明名称
Improvements in photographic emulsions and elements
摘要
申请公布号
GB1101198(A)
申请公布日期
1968.01.31
申请号
GB19660047983
申请日期
1966.10.26
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
分类号
G03C1/08;G03C1/09
主分类号
G03C1/08
代理机构
代理人
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地址
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