Standards GB - Chinese national standards - Page 739

Cast iron pipe flanges—Part 2: Class designated

Standard published on 25.4.2024

Specification for complaints handling

Standard published on 5.10.2025

Feed material—Spirulina powder

Standard published on 31.10.2025

Hot environments--Estimation of the heat stress on working man based on the WBGT-index(wet bulb globe temperature)

Standard published on 10.3.1998

Inertial parameters of adult human body

Standard published on 10.5.2004

Acoustics--Attenuation of sound during propagation outdoors--Part 1:Calculation of the absorption of sound by the atmosphere

Standard published on 16.3.2000

Acoustics--Attenuation ofsound during propagation outdoors--Part 2:General method of calculation

Standard published on 18.3.1998

Acoustics—Noise emitted by machinery and equipment—Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions

Standard published on 9.3.2022

Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections

Standard published on 28.12.2018

Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections

Standard published on 28.12.2018