Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO/DIS 17994:2012); German version prEN ISO 17994:2012
Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO 17994:2014); German version EN ISO 17994:2014— 29 стр.
Light transmitting profiled plastic sheeting for single skin roofing - Part 5: Specific requirements, test methods and performance of polymethylmethacrylate (PMMA) sheets; German version EN 1013-5:2000— 6 стр.
Plastics - Thermoplastic polyester (TP) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 7792-2:1997); German version EN ISO 7792-2:2004— 15 стр.