Standards GB - Chinese national standards - Page 5319

Classification, terminology and numbering for parts and assemblies of the time measuring instruments—Mechanical wrist watch movements

Standard published on 31.7.2008

Performance andtest methods of the 30 channels pulse code modulation multiplex equipment at 2048 kbit/s

Standard published on 21.12.1995

Chemical reagent - Carbon tetrachloride

Standard published on 12.5.2011

Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Precision methods for reverberation test rooms

Standard published on 7.9.2023

Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for small movable sources in reverberant fields—Comparison method for a hard-walled test room

Standard published on 1.11.2017

Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Precision methods for anechoic rooms and hemi-anechoic rooms

Standard published on 24.2.2016

Cemented carbide sintering body for wire, bar or tube drawing dies—Dimensions

Standard published on 29.9.2017

Hardmetals—Sampling and testing method of mixed powders

Standard published on 6.3.2020

Sintered stainless steel filter elements

Standard published on 29.9.2017

Sintered metal filter elements

Standard published on 4.6.2019