2025-12-19 216.73.216.41
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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 25102.12-2018 Electroacoustics—Hearing aids—Part 12:Dimensions of electrical connector systems 250.0 via email in 1~3 business day valid,,2019-1-1
DB44/T 2037-2017 Technical specification for sound reinforcement system maintenance of gymnasiun and stadium via email in business day abolished2025-08-31,,2017-11-28
GB/T 25102.6-2017 Electroacoustics-Hearing aids-Part 6:Characteristics of electrical input circuits for hearing aids 80.0 via email in 1~3 business day valid,,2018-5-1
GB/T 35784-2017 Audio visual equipments―Methods for the subjective assessment of small impairments in audio systems 430.0 via email in 1~5 business day valid,,2018-7-1
GB/T 13581-1992 Minimm performance requirements on high fidelity head - Phones 140.0 via email in 1~3 business day valid,,1993-5-1
GB/T 6657-1986 Measurement of electroacoustical characteristics of hearing aids 240.0 via email in 1~3 business day abolished2011-04-01,2011-4-1,1987-8-1
GB/T 17276-1998 General specification for wireless microphone systems 240.0 via email in 1~3 business day valid,,1998-1-2
GB/T 4959-2011 Methods of measurement for the characteristics of sound reinforcement in auditoria 450.0 via email in 1~3 business day valid,,2012-2-1
GY/T 77-1989 Ratings for technical indices of broadcast mixer operations 264.0 via email in 1~3 business day abolished2019-06-24 ,,1989-3-28
GB/T 6278-2012 Simulated programme signal 80.0 via email in 1~3 business day valid,,2013-6-1
GB/T 6659-1986 Measurement of electroacoustical characteristics of hearing aids with automatic gain control circuits 180.0 via email in 1~3 business day superseded2011-04-01 ,2011-4-1,1987-8-1
GB/T 25102.1-2010 Electroacoustics - Hearing aids - Part 1：Hearing aids with induction pick-up coil input 70.0 via email in 1~3 business day valid,,2011-4-1
GB/T 14476-1993 method for the objective estimating of speech intelligibility in auditoria 120.0 via email in 1~3 business day superseded,2018-5-1,1994-1-1
GB/T 15528-2013 Methods of Measurement on Microphones and Earphones for Speech Communications 390.0 via email in 1~3 business day valid,,2014-7-15
GB/T 14197-2012 Preferred matching values for the interconnections of audio,video and audiovisual systems 330.0 via email in 1~3 business day valid,,2013-6-1
GB 6660-1986 Symbols and other markings on hearing aids and related equipment 340.0 via email in 1~3 business day superseded,1997-1-1,
GB/T 28047-2011 Method of listening evaluation of sound reinforcement of auditorium gymnasium and stadium 300.0 via email in 1~5 business day valid,,2012-2-1
GB/T 25102.4-2010 Electroacoustics—Hearing aids—Part 4:Induction loop systems for hearing aid purposes—Magnetic field strength 420.0 via email in 1~3 business day valid,,2011-4-1
GB/T 12058-1989 Listening tests on loudspeakers 1264.0 via email in 1~5 business day superseded,2012-2-1,1990-7-1
GB/T 9400-1988 Dimensions of director radiator loudspeaker 180.0 via email in 1~3 business day abolished2005-10-14 ,,1988-1-1
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GB/T 25102.12-2018 Electroacoustics—Hearing aids—Part 12:Dimensions of electrical connector systems 
  Issued on: 2018-06-07   Price(USD): 250.0
DB44/T 2037-2017 Technical specification for sound reinforcement system maintenance of gymnasiun and stadium 
  Issued on: 2017-08-28   Price(USD):
GB/T 25102.6-2017 Electroacoustics-Hearing aids-Part 6:Characteristics of electrical input circuits for hearing aids 
  Issued on: 2017-11-01   Price(USD): 80.0
GB/T 35784-2017 Audio visual equipments―Methods for the subjective assessment of small impairments in audio systems 
  Issued on: 2017-11-29   Price(USD): 430.0
GB/T 13581-1992 Minimm performance requirements on high fidelity head - Phones 
  Issued on: 1992-7-15   Price(USD): 140.0
GB/T 6657-1986 Measurement of electroacoustical characteristics of hearing aids 
  Issued on: 1986-07-31   Price(USD): 240.0
GB/T 17276-1998 General specification for wireless microphone systems 
  Issued on: 1998-03-20   Price(USD): 240.0
GB/T 4959-2011 Methods of measurement for the characteristics of sound reinforcement in auditoria 
  Issued on: 2011-10-31   Price(USD): 450.0
GY/T 77-1989 Ratings for technical indices of broadcast mixer operations 
  Issued on: 1989-3-28   Price(USD): 264.0
GB/T 6278-2012 Simulated programme signal 
  Issued on: 2012-12-31   Price(USD): 80.0
GB/T 6659-1986 Measurement of electroacoustical characteristics of hearing aids with automatic gain control circuits 
  Issued on: 1986-07-31   Price(USD): 180.0
GB/T 25102.1-2010 Electroacoustics - Hearing aids - Part 1：Hearing aids with induction pick-up coil input 
  Issued on: 2010-9-2   Price(USD): 70.0
GB/T 14476-1993 method for the objective estimating of speech intelligibility in auditoria 
  Issued on: 1993-6-14   Price(USD): 120.0
GB/T 15528-2013 Methods of Measurement on Microphones and Earphones for Speech Communications 
  Issued on: 2013-12-31   Price(USD): 390.0
GB/T 14197-2012 Preferred matching values for the interconnections of audio,video and audiovisual systems 
  Issued on: 2012-12-31   Price(USD): 330.0
GB 6660-1986 Symbols and other markings on hearing aids and related equipment 
  Issued on:   Price(USD): 340.0
GB/T 28047-2011 Method of listening evaluation of sound reinforcement of auditorium gymnasium and stadium 
  Issued on: 2011-10-31   Price(USD): 300.0
GB/T 25102.4-2010 Electroacoustics—Hearing aids—Part 4:Induction loop systems for hearing aid purposes—Magnetic field strength 
  Issued on: 2010-9-2   Price(USD): 420.0
GB/T 12058-1989 Listening tests on loudspeakers 
  Issued on: 1989-01-02   Price(USD): 1264.0
GB/T 9400-1988 Dimensions of director radiator loudspeaker 
  Issued on: 1988-04-26   Price(USD): 180.0
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