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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
Inspection regulation for silk and filament yarn fabrics
WITHDRAWN published on 24.4.1995
Selected format:Packing and marking for silk and filament yarn fabrics
WITHDRAWN published on 24.4.1995
Selected format:Solid waste--Determination of copper, zinc, lead, cadmium-- Atomic absorption spectrometry
WITHDRAWN published on 28.3.1995
Selected format:Solid waste--Determination of total chromium--Flame atomic absorption spectrometry
WITHDRAWN published on 28.3.1995
Selected format:Solid waste--Determination of nickel--Flame atomic absorption spectrometry
WITHDRAWN published on 28.3.1995
Selected format:Terms used by the clothing industry
WITHDRAWN published on 22.4.1995
Selected format:Buried polyethylene (PE) pipes for the supply of gaseous fuels
WITHDRAWN published on 2.5.1995
Selected format:Buried Polyethylene(PE)piping systems for the supply of gaseous fuels—Part 1:Pipes
WITHDRAWN published on 9.10.2003
Selected format:Buried polyethylene(PE)piping systems for the supply of gaseous fuels—Part 1:Pipes
WITHDRAWN published on 31.12.2015
Selected format:Buried polyethylene (PE) fittings for the supply of gaseous fuels
WITHDRAWN published on 2.5.1995
Selected format:Latest update: 2026-01-20 (Number of items: 2 257 233)
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