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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
V-belts--Fatigue test--Loaded method
Standard published on 28.12.1999
Selected format:Specification and test method of kaolin clay
Standard published on 2.6.2020
Selected format:Specification and type for bursting discs - Part 1Conventional domed bursting discs
Standard published on 30.12.2011
Selected format:Specification and type for bursting discs - Part 2Reverse domed bursting discs
Standard published on 30.12.2011
Selected format:Specification and type for bursting discs - Part 3Flat bursting discs
Standard published on 30.12.2011
Selected format:Specification and type for bursting discs - Part 4Graphite bursting discs
Standard published on 30.12.2011
Selected format:Performance requirements for low and intermediate level radioactive waste form - Cemented waste form
Standard published on 12.5.2011
Selected format:Performance requirements for low level radioactive waste formCemented waste form
Standard published on 30.7.2026
Selected format:Characteristic requirements for solidified waste of low and intermediate level radioactive waste--Bitumen solidified waste
Standard published on 13.12.1995
Selected format:Test method for climbing drum peel strength of sandwich constructions
Standard published on 15.4.2022
Selected format:Latest update: 2026-09-08 (Number of items: 2 300 134)
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