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经营范围
发明名称
Improvements in or relating to light-sensitive photographic films, plates and papers
摘要
申请公布号
GB753391(A)
申请公布日期
1956.07.25
申请号
GB19540012671
申请日期
1954.04.30
申请人
GEVAERT PHOTO-PRODUCTEN N.V.
发明人
分类号
G03C1/835
主分类号
G03C1/835
代理机构
代理人
主权项
地址
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