a1s2d3f4 发表于 2015-3-2 09:35:21

EUROVENT 4.11-14 Energy Efficiency Classification of Air Filters

EUROVENT 4/11 - 2014 Energy Efficiency Classification of Air Filters for General Ventilation Purposes


支援EN779-2012的節能規則






wjljh06313 发表于 2015-3-2 16:00:48

有链接是不是会更好，不过已经非常感谢了

admin 发表于 2015-3-3 10:04:51

谢谢您的分享，金币已奖励!
页: [1]
查看完整版本: EUROVENT 4.11-14 Energy Efficiency Classification of Air Filters