发明授权
US1389880A Combined punching, shearing, section-cutter, bar-cutter, and coping and notching machine 失效
组合冲孔,剪切,切割机,切割机,应对和开槽机

  • 专利标题: Combined punching, shearing, section-cutter, bar-cutter, and coping and notching machine
  • 专利标题(中): 组合冲孔,剪切,切割机,切割机,应对和开槽机
  • 申请号: US28061519
    申请日: 1919-03-04
  • 公开(公告)号: US1389880A
    公开(公告)日: 1921-09-06
  • 发明人: KRAUT HANS B
  • 申请人: KRAUT HANS B
  • 专利权人: Hans B Kraut
  • 当前专利权人: Hans B Kraut
  • 优先权: US28061519 1919-03-04
  • 主分类号: B23D31/00
  • IPC分类号: B23D31/00
Combined punching, shearing, section-cutter, bar-cutter, and coping and notching machine
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