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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
The classificationnomenclature and code of fishing gear
Standard published on 4.6.2003
Selected format:
Classification, nomenclature and code of fishing gear
Execute Date: september 2026
Standard published on 27.2.2026
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Magnesium and magnesium alloy powder
Execute Date: november 2026
Standard published on 30.4.2026
Selected format:Magnesium powder--Part 1:Milling magnesium powder
Standard published on 8.5.2004
Selected format:Aluminium-magnesium alloy powder
Standard published on 30.4.2004
Selected format:Designation and composition of wrought magnesium and magnesium alloys
Standard published on 29.8.2016
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Designation and chemical composition of wrought magnesium and magnesium alloy
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Magnesium and magnesium alloys sheets and strips
Standard published on 9.3.2022
Selected format:Magnesium and magnesium alloy extruded rods
Standard published on 9.3.2022
Selected format:Latest update: 2026-06-30 (Number of items: 2 285 193)
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