Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 14574-1993 Acoustics. Noise labelling of machinery and equipment 90.0 via email in 1~3 business day abolished
GB/T 14465-1993 for specifying damping properties of materials 150.0 via email in 1~3 business day valid
QJ 2222-1992 540.0 via email in 1~5 business day valid
GB/T 14573.4-1993 Statistical methods for determining and verifying stated noise emission values of machinery and equipment. Part 4: Methods for stated values for batches of machines 180.0 via email in 1~3 business day valid
GB 5266-1985 Measurement of the longitudinal wave velocity and attenuation for underwater acoustical materials; Pulse-tube method 120.0 via email in 1~3 business day abolished
GB/T 15508-1995 Acoustics-Speech articulation testing method 180.0 via email in 1~3 business day valid
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 195.0 via email in 1~3 business day abolished
GB 3767-1983 210.0 via email in 1~3 business day superseded
GB/T 30113.1-2013 Optical Measurement Methods on Flow Field in Microgravity Fluid Physics - Part 1: Shadowgraph and Schlieren 210.0 via email in 1~3 business day valid
QJ 2283-1992 150.0 via email in 1~3 business day valid
GB/T 13592-1992 Terms relating to surface analysis 730.0 via email in 1~3 business day abolished
GB 11669-1989 105.0 via email in 1~3 business day superseded
QJ 2431.2-1993 Aerodynamics Terms - Test Part 945.0 via email in 1~10 business day valid
GB/T 14573.3-1993 methods for determining and verifying stated noise emission values of machinery and equipment. Part 3: Simple (transition) method for determining and verifying labelled va 30.0 via email in 1~3 business day valid
GB 1251.1-1989 Danger signals for work places-Auditory danger signals 165.0 via email in 1~3 business day abolished
GB/T 3238-1982 Acoustical levels and reference quantities 30.0 via email in 1~3 business day valid
GB/T 25898-2010 Instrumented nanoindentation test—Indentation hardness and modulus of thin film 240.0 via email in 1~3 business day valid
GB/T 3947-1996 Acoustical terminology 2550.0 via email in 1~3 business day valid
GB/T 3223-1994 Acoustics--Free-field calibration method of underwater sound transducers 270.0 via email in 1~3 business day valid
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
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