We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Test method for extinction ratio of NdYAG laser rods
Standard published on 4.12.2002
Selected format:Standard method for showing and measuring dislocation etch pits in Indium Antimonide single crystal
Standard published on 31.3.1989
Selected format:Test method for resistivity and Hall coefficient in InSb single crystals
Standard published on 31.3.1989
Selected format:Test method for pyroelectric coefficient of pyroelectric materials
Standard published on 31.12.2015
Selected format:Test method for dielectric tangent of loss angle of pyroelectric materials
Standard published on 31.12.2015
Selected format:Methods of measurement for satellite television earth receive-only station--System measurement
Standard published on 26.8.1997
Selected format:Methods of measurement for satellite television earth receive-only station--Antenna measurement
Standard published on 26.8.1997
Selected format:Methods of measurement for satellite television earth receive-only station--Door-out unit measurement
Standard published on 26.8.1997
Selected format:Methods of measurement for satellite television earth receive-only station--Door-in unit measurement
Standard published on 26.8.1997
Selected format:Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-systems and combinations of sub-systems--Section one:General
Standard published on 31.3.1989
Selected format:Latest update: 2026-03-18 (Number of items: 2 266 854)
© Copyright 2026 NORMSERVIS s.r.o.