发明名称 |
Ventilator for removing smoke and heat from buildings has flap which is opened by gas spring and is closed by cable wound on to reel by electric motor |
摘要 |
<p>The ventilator for removing smoke and heat from buildings has a flap (6) which is opened by a gas spring (12). It is closed by a cable (24) which is wound on to a reel by an electric motor (22).</p> |
申请公布号 |
DE202005010625(U1) |
申请公布日期 |
2006.11.16 |
申请号 |
DE20052010625U |
申请日期 |
2005.07.06 |
申请人 |
COLT INTERNATIONAL LICENSING LTD. |
发明人 |
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分类号 |
F24F7/02;F24F13/14 |
主分类号 |
F24F7/02 |
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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