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发明名称
Werkwijze ter vermijding van sluierverschijnselen in lichtgevoelige halogeenzilverlagen
摘要
申请公布号
BE430105(A2)
申请公布日期
1938.10.31
申请号
BE19380430105
申请日期
1938.09.10
申请人
Gevaert Photo-Producten N.V.
发明人
分类号
G03C1/34
主分类号
G03C1/34
代理机构
代理人
主权项
地址
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