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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
Benzol products of coal carbonization - Determination of color
Standard published on 30.10.2009
Selected format:Benzol products of coal carbonization - Test for presence of mercap tans
Standard published on 30.10.2009
Selected format:Coking toluene—Determination of hydrocarbon impurities—Gas chromatography
Standard published on 7.9.2023
Selected format:Determination of total sulfur of coking benzole products
Standard published on 12.10.2022
Selected format:Hexagon nuts with raised face
Standard published on 24.6.1988
Selected format:Tight nuts
Standard published on 24.6.1988
Selected format:Fibre ropes—Polypropylene split film, monofilament and multifilament(PP2) and polypropylene high-tenacity multifilament (PP3) 3, 4, 8 and 12 strand ropes
Standard published on 12.5.2017
Selected format:Sequential sampling plans for inspection by attributes
Standard published on 28.7.2008
Selected format:Single and multi-level continuous sampling procedures and tables for inspection by attributes
Standard published on 18.7.2002
Selected format:Single sampling procedures and tables for Inspection having desired operating Characteristics by variables
Standard published on 16.7.2008
Selected format:Latest update: 2026-05-02 (Number of items: 2 275 366)
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