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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
Measuring methods for aerial rods
Standard published on 30.6.1988
Selected format:Aerial rods and slabs made of magnetic oxides
Standard published on 30.6.1988
Selected format:Electrotechnical terminology--Magnetic materials and components
Standard published on 16.11.2001
Selected format:Plastics film and sheeting - Determination of impact resistance by the free-falling dart methord - Part 1: Staircase methords
Standard published on 19.8.2008
Selected format:Flexible and rigid cellular polymeric materials - Accelerated ageing tests
Standard published on 19.8.2008
Selected format:Test method for tensile properties of rigid cellular plastics
Standard published on 8.7.1988
Selected format:
Rigid cellular plastics—Determination of tensile properties
Execute Date: may 2026
Standard published on 31.10.2025
Selected format:Thermoplastics pipes—Determination of ring stiffness
Standard published on 31.12.2015
Selected format:Terminology classification and code of geology mineral resources - Part 10: Petrology
Standard published on 15.10.2009
Selected format:Terminology classification and code of geology and mineral resources - Part 16: Mineral deposit geology
Standard published on 15.10.2009
Selected format:Latest update: 2026-04-19 (Number of items: 2 274 482)
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