Advanced technical ceramics - Monolithic ceramics; General and textural properties - Part 1: Determination of the presence of defects by dye penetration; German version EN 623-1:2006— 9 стр.
Advanced technical ceramics - Monolithic ceramics - General and textural properties - Part 4: Determination of surface roughness; German version EN 623-4:2004— 16 стр.
Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 1: Determination of flexural strength; German version EN 843-1:2006— 20 стр.
Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 4: Vickers, Knoop and Rockwell superficial hardness; German version EN 843-4:2005— 24 стр.
General requirements for the competence of testing and calibration laboratories (ISO/IEC 17025:2005); German and English version EN ISO/IEC 17025:2005, Corrigenda to DIN EN ISO/IEC 17025:2005-08; German and English version EN ISO/IEC 17025:2005/AC:2006— 4 стр.