Plastics - Poly(vinyl alcohol) (PVAL) materials - Part 2: Determination of properties (ISO/DIS 15023-2:2016); German and English version prEN ISO 15023-2:2016
Health and safety in welding and allied processes - Equipment for capture and separation of welding fume - Part 4: General requirements (ISO 15012-4:2016); German version EN ISO 15012-4:2016— 23 стр.