| 发明名称 |
FIRE DAMPER FOR VENTILATING FAN |
| 摘要 |
A fire damper for a ventilating fan includes a shutter and a frame provided with a flange. A preformed opening is provided on the frame. The frame is further provided with a movable component for opening or closing the preformed opening. This has the advantage of being able to share parts with others.
|
| 申请公布号 |
US2013130613(A1) |
申请公布日期 |
2013.05.23 |
| 申请号 |
US201113809254 |
申请日期 |
2011.07.26 |
| 申请人 |
LONG MIN;HOU GUANCHENG;PANASONIC CORPORATION;PANASONIC ECOLOGY SYSTEMS GUANGDONG CO., LTD. |
发明人 |
LONG MIN;HOU GUANCHENG |
| 分类号 |
A62C2/12 |
主分类号 |
A62C2/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
