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经营范围
发明名称
Procédé pour la reproduction des couleurs naturelles au moyen d'un seul négatif photographique de sélection et formation successive de matrices sans réseau pour l'impression sur les machines lithographiques planes ou rotatives
摘要
申请公布号
FR688615(A)
申请公布日期
1930.08.27
申请号
FRD688615
申请日期
1930.01.21
申请人
发明人
ALIFREDI GIOVANNI
分类号
G03F3/04
主分类号
G03F3/04
代理机构
代理人
主权项
地址
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