| 发明名称 |
Fire resistant steel door with drop-in core |
| 摘要 |
A heat temperature rise door is made up of a steel shell and a core which is not bonded to the steel shell, thus eliminating much of the cost of manufacture of the door.
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| 申请公布号 |
US5722213(A) |
申请公布日期 |
1998.03.03 |
| 申请号 |
US19960713605 |
申请日期 |
1996.09.13 |
| 申请人 |
IDEAL ARCHITECTURAL DOORS & PLYWOOD |
发明人 |
MORENCY, STEVEN M. |
| 分类号 |
E06B5/16;(IPC1-7):E06B5/16 |
主分类号 |
E06B5/16 |
| 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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