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Invention Grant
US3423975A Method of hot-extruding metals which require a low rate of deformation 失效
需要低变形率的金属的热挤压方法

  • Patent Title: Method of hot-extruding metals which require a low rate of deformation
  • Patent Title (中): 需要低变形率的金属的热挤压方法
  • Application No.: US3423975D
    Application Date: 1966-04-18
  • Publication No.: US3423975A
    Publication Date: 1969-01-28
  • Inventor: COLLINET ANDRE
  • Applicant: CEFILAC
  • Assignee: Cefilac
  • Current Assignee: Cefilac
  • Priority: FR14174 1965-04-22
  • Main IPC: B21C23/32
  • IPC: B21C23/32 ;  B21B45/02 ;  B21C23/00
Method of hot-extruding metals which require a low rate of deformation
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