发布日期:1995-03-15 实施日期:1995-03-15
实施日期:2006-05-31
Normverfahren für die Angabe der akustischen Ausgangsgr??en von medizinischen Ultraschalldiagnostikger?ten Standard means for the reporting of the acoustic output of medical diagnostic ultrasonic equip...
实施日期:2007-12-31
实施日期:1997-04-01
Messmikrofone. Anforderungen an Gerbrauchs-Normalmikrofone Measurement Microphones Part 4:Specifications for Working Standard Microphones (IEC 1094-4:1995) (S) Microphones de mesure. Specifications des...
实施日期:1996-01-01
Acoustics - Determination of sound power levels of noise from air-terminal devices,air-terminal units,dampers and valves by measurement in a reverberation room
发布日期:2007-11-14 实施日期:2008-05-01
Acoustics -- Determination of sound power levels of noise sources using sound pressure -- Precision methods for reverberation rooms
Elektroakustik. Schallpegelmesser Baumusterpruefungen Electroacoustics Sound level meters Part 2:Pattern evaluation tests Electroacoustique. Sonometres. Essais d'evaluation d'un modele Together with BS...
实施日期:2003-07-11
Akustik. Pruefung des Geraeuschverhaltens von Armaturen und Geraeten der Wasserinstallation im Laboratorium. Anschluss und Betriebsbedingungen fuer Sonderarmaturen Acoustics-Laboratory Tests on Noise E...
实施日期:1997-08-15
Acoustics - Guidelines for noise control in offices and workrooms by means of acoustical screens
发布日期:2007-11-14 实施日期:2008-05-01
Acoustics - Guidelines for the measurement and assessment of exposure to noise in a working environment
发布日期:2007-11-14 实施日期:2008-05-01
Industrial fans -- Determination of fan sound power levels under standardized laboratory conditions -- Part 3: Enveloping surface methods
发布日期:2004-08-01 实施日期:2004-08-01
Akustik. Schalld?mmung von Rohren,Ventilen und Anschlussflanschen Acoustics. Acoustic insulation for pipes,valves and flanges Acoustique. Isolation acoustique des tuyaux,clapets et brides CORR:August 3...
实施日期:2003-09-02
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