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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
High-voltage alternating-current fuses—Part 6: Application guide for the selection of fuse-links of high-voltage fuses for transformer circuit applications
Standard published on 17.3.2023
Selected format:High-voltage alternating-current fuses—Part 8Application guide
Standard published on 28.2.2025
Selected format:Vibration and shock isolators measuring method for its static and dynamic characteristics
Standard published on 18.9.2013
Selected format:Qualification test of welders--Fusion welding forsteels
Standard published on 25.11.2003
Selected format:Packaging containers—Pails of sheet for industry
Standard published on 30.6.2025
Selected format:Test method for sealing performance of package
Standard published on 1.8.2025
Selected format:Electroacoustics - Sound calibrators
Standard published on 2.9.2010
Selected format:
Electroacoustics—Sound calibrators
Execute Date: september 2026
Standard published on 27.2.2026
Selected format:Programmes for reliability growth
Standard published on 1.11.2017
Selected format:Measurement methods for main parameter of solid state lasers
Standard published on 31.12.2012
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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