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发明名称
Plaque métallique pour la gravure à l'eau forte
摘要
申请公布号
FR1038473(A)
申请公布日期
1953.09.29
申请号
FRD1038473
申请日期
1951.06.18
申请人
WESTFALISCHE LEICHTMETALLWERKE G. M. B. H.
发明人
分类号
B41N1/06;C23F1/00
主分类号
B41N1/06
代理机构
代理人
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