Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
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GB/T 11318.8-1996 Equipments and components used in cabled distribution systems primarily intended for television and sound signals. Part 8: Generic specifications for trunk amplifiers 270.0 via email in 1~3 business day valid
GB/T 14199-1993 General specification for pocket hearing aids 490.0 via email in 1~3 business day abolished
GB/T 12060.4-2012 Sound system equipment—Part 4:Methods of measurement for microphones 520.0 via email in 1~3 business day valid
GB/T 12060.9-2011 Sound system equipment—Part 9:Methods of measurement for artificial reverberation,time delay and frequency shift equipment 210.0 via email in 1~3 business day valid
GB 6661-1986 Nipples for insert earphones 45.0 via email in 1~3 business day valid
GB/T 6449-1986 Methods of measurement on time delay and frequency shift equipment 105.0 via email in 1~3 business day abolished
GB/T 14198-2012 General specification for microphones 260.0 via email in 1~3 business day valid
GB/T 25102.2-2010 Electroacoustics—Hearing aids—Part 2:Hearing aids with automatic gain control circuits 330.0 via email in 1~3 business day valid
GY/T 87-1993 Phonograph needles 15.0 via email in 1~3 business day valid
GY/T 86-1993 General Technical Conditions for Analog Audio Disk Players via email in business day valid
GB/T 14476-1993 method for the objective estimating of speech intelligibility in auditoria 120.0 via email in 1~3 business day superseded
GB/T 6278-2012 Simulated programme signal 80.0 via email in 1~3 business day valid
GB/T 9402-1988 Minimum performance requirements on high fidelity microphones 60.0 via email in 1~3 business day valid
SN/T 0259-1993 Rules for the inspection of electrodynamic cone loudspeaker of direct radiate type for export 60.0 via email in 1~3 business day abolished
GB/T 25102.13-2010 Electroacoustics - Hearing aids - Part13: Electromagnetic compatibility (EMC) 200.0 via email in 1~3 business day valid
GB/T 13581-1992 Minimm performance requirements on high fidelity head - Phones 90.0 via email in 1~3 business day valid
GB/T 17276-1998 General specification for wireless microphone systems 240.0 via email in 1~3 business day valid
GB/T 14197-2012 Preferred matching values for the interconnections of audio,video and audiovisual systems 310.0 via email in 1~3 business day valid
GB/T 17561-1998 Instruments for the measurement of sound intensity--Measurement with pairs of pressure sensing microphones 315.0 via email in 1~3 business day valid
GB/T 25102.100-2010 Electroacoustics—Hearing aids—Part 0:Measurement of electroacoustical characteriistics 300.0 via email in 1~3 business day valid
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