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
Determination of silicon dioxide content in tin concentrates--Silicon molybdenum blue photometric method
WITHDRAWN published on 29.12.1979
Selected format:Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 2-10:Tests—Crush resistance
WITHDRAWN published on 24.11.2003
Selected format:Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 2-11:Tests—Axial compression
WITHDRAWN published on 24.11.2003
Selected format:Fibre optic interconnecting devices and passive components--Basic test and measurement procedures--Part 2-14:Tests--Maximum input power
WITHDRAWN published on 24.11.2003
Selected format:Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 2-3:Tests—Static shear load
WITHDRAWN published on 13.2.2001
Selected format:Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 2-7:Tests—Bending moment
WITHDRAWN published on 4.12.2002
Selected format:Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 2-8:Tests—Bump
WITHDRAWN published on 24.11.2003
Selected format:Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 3-31:Examinations and measurements—Coupled power ratio measurement for fibre optic sources
WITHDRAWN published on 29.6.2007
Selected format:The inspection rule for binoculars
WITHDRAWN published on 5.1.2001
Selected format:Specifications for global positioning system (GPS) surveys
WITHDRAWN published on 5.3.2001
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
© Copyright 2026 NORMSERVIS s.r.o.