cc523pate 发表于 2017-12-26 22:39:53

BS EN 16573-2017 Ventilation for buildings -- Performance testing of components

BS EN 16573-2017 Ventilation for buildings -- Performance testing of components for residential buildings -- Multifunctional balanced ventilation units for single family dwellings, including heat pumps


admin 发表于 2017-12-27 17:15:53


谢谢您的分享，金币已奖励!

ygs67 发表于 2018-1-10 19:53:33

多谢分享！                           
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