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发明名称
Procédé de démandrinage hydraulique des tubes étirés sur mandrin long
摘要
申请公布号
FR1149732(A)
申请公布日期
1957.12.31
申请号
FRD1149732
申请日期
1956.04.25
申请人
TREFILERIES ET LAMINOIRS DE PRECISION GILBY-FODOR
发明人
PERRET MARCEL
分类号
B21C23/16;B21C45/00
主分类号
B21C23/16
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代理人
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