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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
Natural gas—Determination of total sulfur content—Hydrogenolysis and rateometric colorimetry method
WITHDRAWN published on 18.6.2003
Selected format:Ground vulcanized rubber
WITHDRAWN published on 23.6.2003
Selected format:Ground vulcanized rubber
WITHDRAWN published on 14.5.2008
Selected format:Examine general rule of repair quality for tractor--Part 1: Wheeled tractor
WITHDRAWN published on 21.6.2003
Selected format:Examine general rule of repair quality for tractor--Part 2: Caterpillar tractor
WITHDRAWN published on 21.6.2003
Selected format:Specifications for industrial steam boiler
WITHDRAWN published on 4.4.1980
Selected format:Parameters for industrial steam boilers
WITHDRAWN published on 6.1.2004
Selected format:Cargo/vehicle radiographic inspection systems
WITHDRAWN published on 23.6.2003
Selected format:Safety of power transformers, power supply units and similar—Part 1:General requirements and tests
WITHDRAWN published on 24.6.2003
Selected format:Safety of power transformers,power supplies,reactors and similar products—Part 1:General requirements and tests
WITHDRAWN published on 19.9.2008
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 585)
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