发明授权
- 专利标题: Water-cooled grate.
- 专利标题(中): 水冷却盘
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申请号: US1905253656申请日: 1905-04-03
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公开(公告)号: US879492A公开(公告)日: 1908-02-18
- 发明人: RICHARDSON WILLIAM C
- 申请人: RICHARDSON WILLIAM C
- 专利权人: William C Richardson
- 当前专利权人: William C Richardson
- 优先权: US1905253656 1905-04-03