| 发明名称 |
Factory fire-protection ventilator has three-layered surrounding panel |
| 摘要 |
<p>A fireproof ventilator (1) unit has a self-activating closure which shuts in the presence of fire and is fitted within a surrounding panel. The panel is esp. made of three layers of material. The centre layer has a recess holding the vent closure.</p> |
| 申请公布号 |
DE20202450(U1) |
申请公布日期 |
2003.06.26 |
| 申请号 |
DE2002202450U |
申请日期 |
2002.02.17 |
| 申请人 |
REUTER, MARTIN |
发明人 |
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| 分类号 |
A62C2/18;F24F7/013;F24F13/12;F24F13/14;(IPC1-7):F24F13/14;E04B1/94 |
主分类号 |
A62C2/18 |
| 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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