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经营范围
发明名称
Jeu de plaques transparentes munies d'un réseau quadrillé et destinées à être utilisées pour la copie d'images
摘要
申请公布号
FR876389(A)
申请公布日期
1942.11.04
申请号
FRD876389
申请日期
1941.10.29
申请人
发明人
FREDERIKSEN ERIK
分类号
B43L13/16
主分类号
B43L13/16
代理机构
代理人
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