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发明名称
Nouveau procédé de fabrication de grillage métallique et produit en résultant
摘要
申请公布号
FR893207(A)
申请公布日期
1944.06.02
申请号
FRD893207
申请日期
1942.12.21
申请人
发明人
ROLLAND JEAN
分类号
B21D47/00
主分类号
B21D47/00
代理机构
代理人
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