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发明名称
Procédé pour modifier les contrastes sur les épreuves photographiques et cinématographiques
摘要
申请公布号
FR867667(A)
申请公布日期
1941.11.21
申请号
FRD867667
申请日期
1940.11.09
申请人
发明人
LIABEUF HENRI, EMILE
分类号
G03C5/02;G03C7/18
主分类号
G03C5/02
代理机构
代理人
主权项
地址
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