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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
Magnesium alloy sacrificial anode
WITHDRAWN published on 30.4.2004
Selected format:Magnesium alloy sacrificial anode
WITHDRAWN published on 30.10.2009
Selected format:Dense, shaped refractory products—Test methods for products containing carbon
WITHDRAWN published on 15.4.1999
Selected format:Dense,shaped refractory products—Test methods for products containing carbon
WITHDRAWN published on 3.6.2008
Selected format:Place name plates—Towns and villages
WITHDRAWN published on 19.4.1999
Selected format:Information classification and code for highway
WITHDRAWN published on 16.4.1999
Selected format:Information classification and code for Waterway
WITHDRAWN published on 16.4.1999
Selected format:Testing method of main parameters for laser protective eyewear
WITHDRAWN published on 26.4.1999
Selected format:Radio-frequency cables—Part 1:Generic specification—General, definitions, requirements and test methods
WITHDRAWN published on 11.12.2000
Selected format:Radio-frequency cables—Part 2:Sectional specification for semi-rigid radio-frequency and coaxial cables with polytetrafluoroethylene(PTFE) insulation
WITHDRAWN published on 11.12.2000
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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