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
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申请号: US3328148申请日: 1948-06-16
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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
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