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发明名称
Procédé d'extrusion à froid de pièces à parois épaisses en alliage de fer ou d'acier, notamment pour des canons d'armes à feu, tubes de pièces d'artillerie et pièces analogues
摘要
申请公布号
FR1016433(A)
申请公布日期
1952.11.12
申请号
FRD1016433
申请日期
1950.04.18
申请人
SPOJENE OCELARNY, NARODNI PODNIK
发明人
分类号
B21C23/08;B21C25/08
主分类号
B21C23/08
代理机构
代理人
主权项
地址
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