普通门窗CE认证
EN 14351-1:2006 windows and doors – product standard, performance characteristics – part 1: windows and external pedestrian doorsets without resistance to fire and/or smoke leakage characteristics 门窗。产品标准、性能特征。无防火和/或防烟特征的窗和外部人行门具
普通门窗CE认证
EN 14351-1:2006 windows and doors – product standard, performance characteristics – part 1: windows and external pedestrian doorsets without resistance to fire and/or smoke leakage characteristics 门窗。产品标准、性能特征。无防火和/或防烟特征的窗和外部人行门具