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
Specification for welding of titanium and titanium alloy clad steel plates
Standard published on 23.3.2009
Selected format:Semiconductor devices Discret devices Blank detail specification for bidirectional triode thyristors(triacs),ambient and case-rated,for currents greater than 100A
Standard published on 23.3.2005
Selected format:Semiconductor devices Discrete devices Part 6:Thyristors Section Three-Blank detail specification for reverse blocking triode thyristors,ambient and case-rated,for currents greater than 100A
Standard published on 23.3.2005
Selected format:Cinematography - Colour motion-picture prints and slides for television-density specifications
Standard published on 30.8.2006
Selected format:Overall electro-acoustic frequency response for reproduction of 35mm optical sound track--Reproduction characteristics
Standard published on 16.9.1991
Selected format:Compatibility test procedures of clock and synchronization equipment of digital switch introducedinto digital network
Standard published on 16.9.1991
Selected format:Networking specifications for digital radio systems
Standard published on 29.10.2008
Selected format:Program for testing radiation shields in light water reactors (LWR)
Standard published on 3.9.1991
Selected format:Radiation protection instrumentation—Measurement of personal dose equivalents Hp(10) and Hp(0,07) for X, gamma, neutron and beta radiations—Direct reading personal dose equivalent meters
Standard published on 9.10.2015
Selected format:Equipment for monitoring airborne radioactive iodine in the environment
Standard published on 3.9.1991
Selected format:Latest update: 2026-04-01 (Number of items: 2 270 267)
© Copyright 2026 NORMSERVIS s.r.o.