Safety of machinery - Basic concepts, general principles for design - Part 2: Technical principles and specifications; German version EN 292-2:1991 + A1:1995— 47 стр.
Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994); English version FprEN ISO 3744:2009, Amendment 1
Acoustics - Determination of sound insulation performances of enclosures - Part 2: Measurements in situ (for acceptance and verification purposes) (ISO 11546-2:1995); English version FprEN ISO 11546-2:2009, Amendment 1
Ventilation for non-residental buildings - Performance requirements for ventilation and room-conditioning systems; German version EN 13779:2004— 64 стр.