Standards GB - Chinese national standards - Page 4923

Acoustics—Reference zero for the calibration of audiometric equipment—Part 3Reference equivalent threshold vibratory force levels for pure tones and bone vibrators

Standard published on 9.3.2022

Acoustics--Reference zero for the calibration of audiometric equipment--Part 4:Reference levels for narrow-band masking noise

Standard published on 8.3.1999

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 kHz

Standard published on 2.7.2008

AcousticsReference zero for the calibration of audiometric equipmentPart 6: Reference hearing threshold levels for test signals of short duration

Standard published on 3.9.2014

Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions

Standard published on 2.7.2008

Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tone and circumaural earphones

Standard published on 14.11.2007

Acoustics—Reference zero for the calibration of audiometric equipment—Part 9: Preferred test conditions for the determination of reference hearing threshold levels

Standard published on 24.2.2016

Package of cotton goods and kintwear

Standard published on 25.12.1993

Packaging—Basic tests for transport packages—Part 1: Identification of parts when testing

Standard published on 10.5.2019

Packaging-Basic tests for transport packages-Part 10:Sinusoidal vibration test method using at variable vibration frequency

Standard published on 25.5.2005