Acoustics - Measurement of sound insulation in buildings and of building elements - Part 6: Laboratory measurements of impact sound insulation of floors (ISO 140-6:1998); German version EN ISO 140-6:1998— 12 стр.
Ultrasonic power measurement in liquids in the frequency range 0,5 MHz to 25 MHz (IEC 61161:1992 + A1:1998); German version EN 61161:1994 + A1:1998— 18 стр.
Ultrasonics - Physiotherapy systems - Performance requirements and methods of measurement in the frequency range 0,5 MHz to 5 MHz (IEC 61689:1996); German version EN 61689:1996— 29 стр.
Design of graphical symbols for use in the technical documentation of products - Part 1: Basic rules (ISO 81714-1:1999); German version EN ISO 81714-1:1999— 14 стр.
Acoustics - Hearing protectors - Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs (ISO/TR 4869-4:1998); German version EN ISO 4869-4:2000— 11 стр.
Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes (IEC 61265:1995); German version EN 61265:1995— 11 стр.