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Crawl space ventilation grille, comprises stainless steel front grille plate and mounting flaps for installing in building wall
Crawl space ventilation grille, comprises stainless steel front grille plate and mounting flaps for installing in building wall
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机译:爬行空间通风格栅,包括不锈钢前格栅板和用于安装在建筑物墙壁中的安装翼片
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摘要
The grille is a sheet stainless steel product with a front grille plate (11) and two mounting flaps (12) which is installed in the external wall of a building in order to replace existing plastic grilles. The flaps are secured at right angles to the rear side of the front grille plate.
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