发明授权
US2594997A Power-driven reciprocating drag saw having two oppositely reciprocating blades 失效
动力往复式拖拉锯具有两个相对往复的叶片

  • 专利标题: Power-driven reciprocating drag saw having two oppositely reciprocating blades
  • 专利标题(中): 动力往复式拖拉锯具有两个相对往复的叶片
  • 申请号: US3328148
    申请日: 1948-06-16
  • 公开(公告)号: US2594997A
    公开(公告)日: 1952-04-29
  • 发明人: RINGGOLD HOMER E
  • 申请人: RINGGOLD HOMER E
  • 专利权人: Homer E Ringgold
  • 当前专利权人: Homer E Ringgold
  • 优先权: US3328148 1948-06-16
  • 主分类号: B23D49/00
  • IPC分类号: B23D49/00
Power-driven reciprocating drag saw having two oppositely reciprocating blades
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