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发明名称
Perfectionnements apportés aux clichés, matrices ou analogues, obtenus à partir de l'impression d'une couche photo-sensible
摘要
申请公布号
FR979022(A)
申请公布日期
1951.04.20
申请号
FRD979022
申请日期
1942.03.09
申请人
发明人
FRANCE HENRI DE
分类号
G03C5/40;G03F7/06
主分类号
G03C5/40
代理机构
代理人
主权项
地址
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