发明授权
- 专利标题: Nut-lock.
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申请号: US1909532466申请日: 1909-12-10
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公开(公告)号: US982392A公开(公告)日: 1911-01-24
- 发明人: SMITH HENRY M
- 申请人: SMITH HENRY M
- 专利权人: Henry M Smith
- 当前专利权人: Henry M Smith
- 优先权: US1909532466 1909-12-10