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发明名称
Procédé et dispositif pour le filage par pression de blocs creux métalliques
摘要
申请公布号
FR907130(A)
申请公布日期
1946.03.01
申请号
FRD907130
申请日期
1944.09.20
申请人
WIELAND-WERKE A. G.
发明人
分类号
B21C23/08
主分类号
B21C23/08
代理机构
代理人
主权项
地址
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