| 摘要 |
The set of ventilation gate includes intended for installation on ventilation opening frame with openings for air pass, and intended for connection top the frame plastic body with openings for air passage. Besides that the frame is made of plastic, in assembled state the ends of the body have to surround the edges of the frame, the frame has at least two placed at its opposite ends bosses, those in assembled state go behind the edges of the frame and contact with the edges of the opposite side of the frame with provision of split connection of the body to the.
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