发明授权
- 专利标题: Tapping-machine.
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申请号: US3484115申请日: 1915-06-18
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公开(公告)号: US1172336A公开(公告)日: 1916-02-22
- 发明人: ANDERSON NILS H
- 申请人: FENN MFG CO , WILSON L FENN , WILSON A FENN
- 专利权人: Fenn Mfg Co,Wilson L Fenn,Wilson A Fenn
- 当前专利权人: Fenn Mfg Co,Wilson L Fenn,Wilson A Fenn
- 优先权: US3484115 1915-06-18
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