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发明名称
Matériel de copie à plusieurs couches pour la photographie en couleurs
摘要
申请公布号
FR857657(A)
申请公布日期
1940.09.24
申请号
FRD857657
申请日期
1939.07.11
申请人
发明人
GASPAR BELA
分类号
G03C7/28
主分类号
G03C7/28
代理机构
代理人
主权项
地址
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