发明授权
- 专利标题: Lamp-socket.
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申请号: US12970716申请日: 1916-11-06
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公开(公告)号: US1293989A公开(公告)日: 1919-02-11
- 发明人: TURNER FRANK W , LEFFLER MARSHALL , DOUGLAS CLARK
- 申请人: TURNER FRANK W , LEFFLER MARSHALL , DOUGLAS CLARK
- 专利权人: Frank W Turner,Marshall Leffler,Clark Douglas
- 当前专利权人: Frank W Turner,Marshall Leffler,Clark Douglas
- 优先权: US12970716 1916-11-06
公开/授权文献
- US08720589B2 Apparatus and method to support a tubular member 公开/授权日:2014-05-13
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