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.
Railway applications - Passenger alarm subsystem - Part 1: General requirements and passenger interface for the passenger emergency brake system; German version EN 15327-1:2008— 17 стр.