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
General specificatoins for rotary electrical machines in ships
WITHDRAWN published on 12.4.1994
Selected format:General specifications for rotary electrical machines in ships
WITHDRAWN published on 30.6.2008
Selected format:General specification for low-voltage switchgear and controlgear assemblies in ships
WITHDRAWN published on 1.1.1986
Selected format:Low-voltage switchgear and controlgear assemblies in ships
WITHDRAWN published on 15.9.2003
Selected format:Automotive air brake hose assemblies
WITHDRAWN published on 1.1.1986
Selected format:The wheel guards of motor vehicles
WITHDRAWN published on 31.5.1994
Selected format:General requirements on turbogenerators
WITHDRAWN published on 1.1.1986
Selected format:Requirements for turbine type synchronous machine
WITHDRAWN published on 17.6.1996
Selected format:Requirements for turbine type synchronous machine
WITHDRAWN published on 28.2.2002
Selected format:Specific requirements for cylindrical rotor synchronous machines
WITHDRAWN published on 30.6.2008
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
© Copyright 2026 NORMSERVIS s.r.o.