发明授权
- 专利标题: Clamping device
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申请号: US41390129申请日: 1929-12-13
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公开(公告)号: US1778642A公开(公告)日: 1930-10-14
- 发明人: O'NEIL JAMES A
- 申请人: GEN ELECTRIC
- 专利权人: Gen Electric
- 当前专利权人: Gen Electric
- 优先权: US41390129 1929-12-13
- 主分类号: F21S13/10
- IPC分类号: F21S13/10 ; F21V17/00