发明授权
- 专利标题: Boom for excavating-machines.
- 专利标题(中): BOOM FOR EXCAVATING-MACHINES。
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申请号: US1909523118申请日: 1909-10-18
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公开(公告)号: US1012087A公开(公告)日: 1911-12-19
- 发明人: KING GEORGE W , BARNHART HARRY J , KING CHARLES B
- 申请人: MARION STEAM SHOVEL CO
- 专利权人: Marion Steam Shovel Co
- 当前专利权人: Marion Steam Shovel Co
- 优先权: US1909523118 1909-10-18