Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 4854.1-1999 Acoustics--Reference zero for the calibration of audiometric equipment--Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones $150.00 via email in 1~3 business day abolished
GB/T 4854.3-1998 Acoustics-Reference zero for the calibration of audiometric equipment-Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators $180.00 via email in 1~3 business day superseded
GB/T 4854.3-2022 Acoustics—Reference zero for the calibration of audiometric equipment—Part 3:Reference equivalent threshold vibratory force levels for pure tones and bone vibrators $255.00 via email in 1~3 business day valid
GB/T 4854.4-1999 Acoustics-Reference zero for the calibration of audiometric equipment-Part 4:Reference levels for narrow-band masking noise $100.00 via email in 1~3 business day valid
GB/T 4854.5-2008 Acoustics - Reference zero for the calibration of audiometric equipment- Part 5: Reference equivalent threshold sound pressure levels for pure tone in the frequency range 8 kHz to 16 $100.00 via email in 1~3 business day valid
GB/T 4854.6-2014 Acoustics―Reference zero for the calibration of audiometric equipment―Part 6:Reference hearing threshold levels for test signals of short duration $160.00 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threshold of hearing under free-field and diffuse-field listening conditions $190.00 via email in 1~3 business day superseded
GB/T 4854.7-2008 Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions $160.00 via email in 1~3 business day valid
GB/T 4854.8-2007 Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tone and circumaural earphones $130.00 via email in 1~3 business day valid
GB/T 4964-2010 Measurement of noise emitted by vessels on inland waterways and harbours $180.00 via email in 1~3 business day valid
GB/T 5111-1995 Acoustics-Measurement of noise emitted by railbound vehicles $264.00 via email in 1~3 business day superseded
GB/T 5111-2011 Acoustics—Measurement of noise emitted by railbound vehicle $450.00 via email in 1~3 business day abolished
GB/T 5111-2024 Acoustics—Measurement of noise emitted by railbound vehicles $690.00 via email in 1~5 business day valid
GB/T 5265-1985 Measurement of underwater noise $304.00 via email in 1~3 business day superseded
GB/T 5265-2009 Acoustics—Measurement of underwater noise $240.00 via email in 1~3 business day valid
GB/T 5266-2006 Acoustics—Measurements of the longitudinal wave velocity and attenuation coefficient for underwater acoustical materials—Pulse tube method $120.00 immediately valid
GB/T 5898-1986 Measurement of noise emitted by rock drilling machines and pneumatic tools--Engineering method $850.00 via email in 1~5 business day superseded
GB/T 5898-2004 Measurement of noise emitted by rock drilling machines and pneumatic tools―Engineering method $240.00 via email in 1~3 business day abolished
GB/T 5898-2008 Hand-held non-electric power tools - Noise measurement code - Engineering method (grade 2) $280.00 via email in 1~3 business day valid
GB/T 6446-1986 Frequency weighting for the measurement of aircraft noise (D-weighting) $180.00 via email in 1~3 business day abolished
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