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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
Mechanical sampling of coal—Part 3:Determination of precision and bias test
WITHDRAWN published on 30.4.2004
Selected format:Detection of genetically modified organisms and derived products—Qualitative PCR methods based on nucleic acid
WITHDRAWN published on 13.4.2004
Selected format:Detection of genetically modified organisms and derived products—Quantitative PCR methods based on nucleic acid
WITHDRAWN published on 13.4.2004
Selected format:The static testing method and accepting technical condition of the protective structures on agricultural and forestry tractors
WITHDRAWN published on 8.5.2004
Selected format:-
WITHDRAWN published on 1.1.1963
Selected format:Accessories of light cargo hoisting rod
WITHDRAWN published on 1.1.1980
Selected format:General guide for electron backscatter diffraction analysis
WITHDRAWN published on 30.4.2004
Selected format:Surface chemical analysis—Glow discharge optical emission spectrometry(GD-OSE)—Introduction to use
WITHDRAWN published on 30.4.2004
Selected format:Product of designations of origin or geographical indication—Qinzhouhuang foxtail-millet
WITHDRAWN published on 9.5.2004
Selected format:Product of designation of origin or geographical indication—Wine in Helan mountain east region
WITHDRAWN published on 9.5.2004
Selected format:Latest update: 2025-12-22 (Number of items: 2 253 013)
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