发明授权
- 专利标题: Coil-heating furnace.
- 专利标题(中): 线圈加热炉
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申请号: US1914846744申请日: 1914-06-23
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公开(公告)号: US1243443A公开(公告)日: 1917-10-16
- 发明人: PEIRCE WILLIAM B
- 申请人: BUFFALO BOLT COMPANY
- 专利权人: Buffalo Bolt Company
- 当前专利权人: Buffalo Bolt Company
- 优先权: US1914846744 1914-06-23
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