2025-12-21 216.73.216.41
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 18699.1-2002 Acoustics - Determination of sound insulation performances of enclosures Part 1: Measurements under laboratory conditions(for declaration purposes) 180.0 via email in 1~3 business day valid,,2002-12-1
GB/T 6881.2-2002 Acoustics--Determination of sound power levels of noise sources--Enginerring methods for small,movable sources in reverberant field--Part 1:Comparison method for hard-walled test room 210.0 via email in 1~3 business day superseded,2018-5-1,2002-12-1
GB/T 7965-1987 Acoustics-Measurement of underwater sound transducers 400.0 via email in 1~5 business day superseded2002-12-01,1993-1-2,2002-12-1
GB/T 18696.2-2002 Acoustics - Determinatio of sound absorption coefficient and impedance in impedance tubes - Part 2: Transfer function method 300.0 via email in 1~3 business day valid,,2002-12-1
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 4130-2000 Acoustics--Low frequency calibration methods of hydrophones 220.0 via email in 1~3 business day abolished2018-05-01,2018-5-1,2000-1-2
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 4854.4-1999 Acoustics-Reference zero for the calibration of audiometric equipment-Part 4：Reference levels for narrow-band masking noise 100.0 via email in 1~3 business day valid,,1999-9-1
GB/T 17696-1999 Acoustics--Audiometric test methods--Part 3：Speech audiometry 220.0 via email in 1~3 business day superseded2018-04-01,2018-4-1,1999-9-1
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threshold of hearing under free-field and diffuse-field listening conditions 190.0 via email in 1~3 business day superseded,2009-2-1,1999-9-1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
GB/T 7341.2-1998 - Part 2: Equipment for speech audiometry 180.0 via email in 1~3 business day valid,,1998-12-1
GB/T 7341.1-1998 Audiometers. Part 1: Pure-tone audiometers 270.0 via email in 1~3 business day superseded,2011-5-1,1998-12-1
GB/T 7341.3-1998 - Part 3: Auditory test signals of short duration for audiometric and neuro-otological purposes 120.0 via email in 1~3 business day superseded2024-08-23 ,2024-8-23,1998-12-1
GB/T 7341.4-1998 - Part 4: Equipment for extended high-frequency audiometry 120.0 via email in 1~3 business day valid,,1998-12-1
GB/T 16403-1996 Acoustics - Audiometric test methods - Basic pure tone air and bone conduction threshold audiometry 300.0 via email in 1~3 business day superseded2018-10-01,2018-10-1,1996-12-1
GB/T 3767-1996 Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Engineering Method in an Essentially Free Field over a Reflecting Plane 300.0 via email in 1 business day superseded,2016-9-1,1996-12-1
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 16407-2006 Acoustics - Characteristics and measurements of field of Pressurepulse lithotripters 250.0 via email in 1~3 business day valid,,1996-12-1
GB/T 15485-1995 Acoustics－Methods for the calculation of the articulation index of speech 240.0 via email in 1~3 business day abolished2018-05-01,2018-5-1,1996-2-1
Previous Page     Next Page



Code of China
Search

GB/T 18699.1-2002 Acoustics - Determination of sound insulation performances of enclosures Part 1: Measurements under laboratory conditions(for declaration purposes) 
  Issued on: 2002-3-26   Price(USD): 180.0
GB/T 6881.2-2002 Acoustics--Determination of sound power levels of noise sources--Enginerring methods for small,movable sources in reverberant field--Part 1:Comparison method for hard-walled test room 
  Issued on: 2002-3-27   Price(USD): 210.0
GB/T 7965-1987 Acoustics-Measurement of underwater sound transducers 
  Issued on: 2002-03-26   Price(USD): 400.0
GB/T 18696.2-2002 Acoustics - Determinatio of sound absorption coefficient and impedance in impedance tubes - Part 2: Transfer function method 
  Issued on: 2002-3-26   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 4130-2000 Acoustics--Low frequency calibration methods of hydrophones 
  Issued on: 2000-3-1   Price(USD): 220.0
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 4854.4-1999 Acoustics-Reference zero for the calibration of audiometric equipment-Part 4：Reference levels for narrow-band masking noise 
  Issued on: 1999-03-08   Price(USD): 100.0
GB/T 17696-1999 Acoustics--Audiometric test methods--Part 3：Speech audiometry 
  Issued on: 1999-03-08   Price(USD): 220.0
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
GB/T 7341.2-1998 - Part 2: Equipment for speech audiometry 
  Issued on: 1998-5-8   Price(USD): 180.0
GB/T 7341.1-1998 Audiometers. Part 1: Pure-tone audiometers 
  Issued on: 1998-05-08   Price(USD): 270.0
GB/T 7341.3-1998 - Part 3: Auditory test signals of short duration for audiometric and neuro-otological purposes 
  Issued on: 1998-5-8   Price(USD): 120.0
GB/T 7341.4-1998 - Part 4: Equipment for extended high-frequency audiometry 
  Issued on: 1998-5-8   Price(USD): 120.0
GB/T 16403-1996 Acoustics - Audiometric test methods - Basic pure tone air and bone conduction threshold audiometry 
  Issued on: 1996-5-27   Price(USD): 300.0
GB/T 3767-1996 Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Engineering Method in an Essentially Free Field over a Reflecting Plane 
  Issued on: 1996-05-27   Price(USD): 300.0
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 16407-2006 Acoustics - Characteristics and measurements of field of Pressurepulse lithotripters 
  Issued on: 2006-7-25   Price(USD): 250.0
GB/T 15485-1995 Acoustics－Methods for the calculation of the articulation index of speech 
  Issued on: 1995-07-03   Price(USD): 240.0
About Us   |    Contact Us   |    Terms of Service   |    Privacy   |    Cancellation & Refund Policy   |    Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886
Copyright: Beijing COC Tech Co., Ltd. 2008-2040