Electronic projection - Measurement and documentation of key performance criteria - Part 1: Fixed resolution projectors (IEC 61947-1:2002); German version EN 61947-1:2002— 37 стр.
Acoustics - Measurement of airborne noise emitted by information technology and telecommunications equipment; Amendment A1: Noise measurement specification for CD/DVD-ROM drives (ISO 7779:1999/A1:2003); German version EN ISO 7779:2001/A1:2003— 6 стр.