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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
Carbon fibre—Determination of the tensile properties of single-filament specimens
WITHDRAWN published on 5.12.2014
Selected format:Vacuum resin infusion molding epoxy for wind blade
WITHDRAWN published on 5.12.2014
Selected format:-
WITHDRAWN published on 1.1.1982
Selected format:Calculation of electoron vacancy number in nickel-base superalloys
WITHDRAWN published on 5.12.2015
Selected format:Tin-lead solder
WITHDRAWN published on 29.5.2001
Selected format:Safety fuses
WITHDRAWN published on 28.5.1982
Selected format:-
WITHDRAWN published on 1.1.1982
Selected format:Brass wires for clocks
WITHDRAWN published on 28.5.1982
Selected format:The norm of the energy consumption per unit product of iron ore surface mining
WITHDRAWN published on 31.12.2014
Selected format:The norm of energy consumption per unit product of iron ore underground mining
WITHDRAWN published on 31.12.2014
Selected format:Latest update: 2026-03-10 (Number of items: 2 265 346)
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