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发明名称
Perfectionnements aux procédés de reproduction photo-mécanique par clichés tramés
摘要
申请公布号
FR1011281(A)
申请公布日期
1952.06.20
申请号
FRD1011281
申请日期
1949.01.07
申请人
发明人
SOULAS EUGENE-GEORGES
分类号
G03F5/06
主分类号
G03F5/06
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代理人
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