GB/T 16180-2006 Standard for identify work ability—Gradation of disability caused by work-related injuries and occupational diseases

GB/T 16180-1996 Assessment and gradation of disability caused by work-related injuries and occupational diseases

GB/T 16180-2014 Standard for identify work ability—Gradation of disability caused by work-related injuries and occupational diseases

GB/T 7582-2004 Acoustics—Statistical distribution of hearing thresholds as a function of age GBZ 4 GBZ 5 GBZ 7 GBZ 9 GBZ 12 GBZ 23 GBZ 24 GBZ 35 GBZ 45 GBZ 54 GBZ 61 GBZ 69 GBZ 70 GBZ 81 GBZ 82 GBZ 83 GBZ 94 GBZ 95 GBZ 96 GBZ 97 GBZ 104 GBZ 105 GBZ 106 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 GB/T 4854.1-2004 Acoustics—Reference zero for the calibration of audiometric equipment—Part1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones 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 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 GB/T 4854.4-1999 Acoustics—Reference zero for the calibration of audiometric equipment—Part 4:Reference levels for narrow-band masking noise GB/T 4854.5-2008 Acoustics—Reference zero for the calibration of audiometric equipment—Part 5:Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz 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 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 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 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 GB/T 4854.9-2016 Acoustics—Reference zero for the calibration of audiometric equipment—Part 9:Preferred test conditions for the determination of reference hearing threshold levels GB/T 7341.1-1998 Audiometers Part 1:Pure-tone audiometers GB/T 7341.1-2010 Electroacoustics—Audiological equipment—Part 1:Pure-tone audiometers GB/T 7341.2-1998 Audiometers Part 2:Equipment for speech audiometry GB/T 7341.3-1998 Audiometers Part 3:Auditory test signals of short duration for audiometric and neuro-otological purposes GB/T 7341.3-2024 Electroacoustics—Audiometric equipment—Part 3:Test signals of short duration GB/T 7341.4-1998 Audiometers Part 4:Equipment for extended high-frequency audiometry GB/T 7341.5-2018 Electroacoustics—Audiometric equipment—Part 5:Instruments for the measurement of aural acoustic impedance/admittance GB/T 7583-1987 Acoustics—Pure tone air conduction threshold audiometry—For hearing conservation purposes GB 11533-1989 Standard logarithmic visual acuity charts GB/T 11533-2011 Standard for logarithmic visual acuity charts