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经营范围
发明名称
Process for supersensitizing photographic emulsions
摘要
申请公布号
GB686733(A)
申请公布日期
1953.01.28
申请号
GB19510011297
申请日期
1951.05.15
申请人
GEVAERT PHOTO-PRODUCTEN N.V.
发明人
分类号
G03C1/12;G03C1/28
主分类号
G03C1/12
代理机构
代理人
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地址
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