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经营范围
发明名称
Improvements in or relating to the sensitization of photographic emulsions
摘要
申请公布号
GB837674(A)
申请公布日期
1960.06.15
申请号
GB19560027867
申请日期
1956.09.12
申请人
GEVAERT PHOTO-PRODUCTEN N.V.
发明人
分类号
C09B23/01;G03C1/26
主分类号
C09B23/01
代理机构
代理人
主权项
地址
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