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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
Spherical plain bearings--Spherical plain bearings rod ends
Standard published on 15.9.2001
Selected format:Spherical plain bearings--Thrust spherical plain bearings
Standard published on 15.9.2001
Selected format:Spherical plain bearings--Radial spherical plain bearings
Standard published on 15.9.2001
Selected format:Spherical plain bearings--Angular contact radial spherical plain bearings
Standard published on 15.9.2001
Selected format:Four-column hydraulic press - Testing of the accuracy
Standard published on 2.4.2009
Selected format:Spline hobbing machines--Testing of the accuracy
Standard published on 10.11.2003
Selected format:
Spline hobbing machines—Testing of the accuracy
Execute Date: may 2026
Standard published on 31.10.2025
Selected format:Petroleum products--Determination of distillation at reduced pressure
Standard published on 11.12.1997
Selected format:
Determination of distillation range of petroleum products—Vacuum distillation method
Execute Date: may 2026
Standard published on 5.10.2025
Selected format:Standard test method for thermal oxidation stability of aviation turbine fuels
Standard published on 23.5.2023
Selected format:Latest update: 2026-04-22 (Number of items: 2 274 512)
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