2025-12-21 216.73.216.41
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 3768-1996 Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using an enveloping measurement surface over a reflecting plane 360.0 via email in 1~5 business day superseded,2018-4-1,1996-12-1
GB/T 1988 7-2005 Acoustics - Measurement of the in situ sound attenuation of a removable screen 165.0 via email in 1~3 business day valid,,2006-4-1
GB/T 18022-2000 Acoustics - Methods for measuring the longitudinal sound speed and attenuation coefficient of rubbers and plastics in the frequency range 1 MHz to 10 MHz 150.0 via email in 1~3 business day valid,,2000-1-2
GB/T 4854.7-1999 Acoustics-Reference zero for the calibration of audiometric equipment-Part 7：Reference threshold of hearing under free-field and diffuse-field listening conditions 190.0 via email in 1~3 business day superseded,2009-2-1,1999-9-1
GB/T 16404.2-1999 Acoustics—Determination of sound power levels of noise sources using sound intensity—Part 2：Measurement by scanning 270.0 via email in 1~3 business day valid,,1999-9-1
JJG 991-2004 Verification Regulation of Aural Impedance Audiometers 300.0 via email in 1~3 business day superseded,2018-5-20,2004-12-21
GB/T 18699.2-2002 Acoustics - Determination of sound insulation performances of enclosures - Part 2: Measurements in situ (for acceptance and verification purposes) 240.0 via email in 1~3 business day valid,,2002-12-1
GB/T 16407-2006 Acoustics - Characteristics and measurements of field of Pressurepulse lithotripters 250.0 via email in 1~3 business day valid,,1996-12-1
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GB/T 3768-1996 Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using an enveloping measurement surface over a reflecting plane 
  Issued on: 1996-5-27   Price(USD): 360.0
GB/T 1988 7-2005 Acoustics - Measurement of the in situ sound attenuation of a removable screen 
  Issued on: 2005-9-9   Price(USD): 165.0
GB/T 18022-2000 Acoustics - Methods for measuring the longitudinal sound speed and attenuation coefficient of rubbers and plastics in the frequency range 1 MHz to 10 MHz 
  Issued on: 2000-3-1   Price(USD): 150.0
GB/T 4854.7-1999 Acoustics-Reference zero for the calibration of audiometric equipment-Part 7：Reference threshold of hearing under free-field and diffuse-field listening conditions 
  Issued on: 1999-03-08   Price(USD): 190.0
GB/T 16404.2-1999 Acoustics—Determination of sound power levels of noise sources using sound intensity—Part 2：Measurement by scanning 
  Issued on: 1999-03-08   Price(USD): 270.0
JJG 991-2004 Verification Regulation of Aural Impedance Audiometers 
  Issued on: 2004-9-21   Price(USD): 300.0
GB/T 18699.2-2002 Acoustics - Determination of sound insulation performances of enclosures - Part 2: Measurements in situ (for acceptance and verification purposes) 
  Issued on: 2002-3-26   Price(USD): 240.0
GB/T 16407-2006 Acoustics - Characteristics and measurements of field of Pressurepulse lithotripters 
  Issued on: 2006-7-25   Price(USD): 250.0
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