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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
Thermoplastics pipes for the transport of fluids—Determination of impact by the charpy method
WITHDRAWN published on 29.5.2002
Selected format:Wuyi rock-essence tea
WITHDRAWN published on 13.6.2002
Selected format:Zipper—Terminology
WITHDRAWN published on 13.6.2002
Selected format:Standard test method for separation of active ingredient from surfactant and syndet compositions
WITHDRAWN published on 29.5.2002
Selected format:Standard specification for chemical-resistant ceramic tower packings
WITHDRAWN published on 29.5.2002
Selected format:Standard specification for chemical-resistant ceramic tower packings
WITHDRAWN published on 27.5.2008
Selected format:Analysis of the weight loss under scorch in phosphorus concentrates and phosphorus minerals
WITHDRAWN published on 1.1.1980
Selected format:Municipal solid waste incineration boiler
WITHDRAWN published on 21.6.2002
Selected format:Municipal solid waste incinerator and boiler
WITHDRAWN published on 15.10.2008
Selected format:Industrial automation systems—MMS General application base profile—Part 1:Specification of ACSE, Presentation and session protocols for use by MMS
WITHDRAWN published on 13.6.2002
Selected format:Latest update: 2025-12-23 (Number of items: 2 253 013)
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