Registration number (WIID)Project No.TitleStatus
9770EN ISO 4869-4:2000Acoustics - Hearing protectors - Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs (ISO/TR 4869-4:1998)Atcelts
9743EN 25135:1991Acoustics - Determination of sound power levels of noise from air terminal devices, high/low velocity/pressure assemblies, dampers and valves by measurement in a reverberation room (ISO 5135:1984)Atcelts
32569EN ISO 3746:2009Acoustics - Determination of sound power levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:1995, including Cor 1:1995)Atcelts
21073EN ISO 3741:1999/AC:2002Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for reverberation rooms (ISO 3741:1999)Atcelts
9791EN ISO 1680:1999Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machinery (ISO 1680:1999)Atcelts
9784EN ISO 8253-1:1998Acoustics - Audiometric test methods - Part 1: Basic pure tone air and bone conduction threshold audiometry (ISO 8253-1:1989)Atcelts
9785EN ISO 8253-2:1998Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure tone and narrow-band test signals (ISO 8253-2:1992)Atcelts
9779EN ISO 9614-3:2002Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanning (ISO 9614-3:2002)Atcelts
9744EN 25136:1993Acoustics - Determination of sound power radiated into a duct by fans - In-duct method (ISO 5136:1990 and Technical Corrigendum 1:1993)Atcelts
9806EN ISO 17201-1:2005Acoustics - Noise from shooting ranges - Part 1: Determination of muzzle blast by measurement (ISO 17201-1:2005)Atcelts
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