| 发明名称 |
Ceramic furnace door and frame |
| 摘要 |
A cast ceramic hearth door and frame which provides a one-piece ceramic frame with provisions for a door to be slideably disposed within the one-piece frame.
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| 申请公布号 |
US4429641(A) |
申请公布日期 |
1984.02.07 |
| 申请号 |
US19810335964 |
申请日期 |
1981.12.30 |
| 申请人 |
BETHLEHEM STEEL CORPORATION |
发明人 |
EARLY, JOHN D. |
| 分类号 |
F27D1/18;(IPC1-7):F23M5/00 |
主分类号 |
F27D1/18 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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