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经营范围
发明名称
Procédé pour l'obtention de vues coloriées en relief
摘要
申请公布号
FR54521(E)
申请公布日期
1950.05.04
申请号
FRD54521
申请日期
1946.04.15
申请人
发明人
LEFORT JEAN
分类号
G03C11/14;G03F7/00
主分类号
G03C11/14
代理机构
代理人
主权项
地址
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