Conformity assessment - General criteria for the operation of various types of bodies performing inspection (ISO/IEC DIS 17020:2011); German and English version prEN ISO/IEC 17020:2011
Gas infrastructure - Gas installation pipework with an operating pressure greater than 0,5 bar for industrial installations and greater than 5 bar for industrial and non-industrial installations - Part 1: Detailed functional requirements for design, materials, construction, inspection and testing— 127 стр.
Solid recovered fuels - Quality management systems - Particular requirements for their application to the production of solid recovered fuels; German version EN 15358:2011— 48 стр.