Air intake filter systems for rotary machinery - Test methods - Part 1: Static filter elements (ISO/DIS 29461-1:2010); German version prEN ISO 29461-1:2010
Plastics - Methods of exposure to direct weathering, to weathering using glass-filtered daylight and to intensified weathering by daylight using Fresnel mirrors (ISO 877:1994); German version EN ISO 877:1996— 18 стр.