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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
Performance requirements and test methods for BeiDou navigation terminal
Standard published on 5.10.2025
Selected format:Head gaps andsound records for three-four-or six-track magnetic sound records on 35mmmotion-picture film containing no picture--Positions and width dimensions
Standard published on 28.12.1994
Selected format:Performance requirements and test methods for BeiDou heading determination terminal
Standard published on 31.10.2025
Selected format:Technical specification of safety sign for energy storage station
Standard published on 31.10.2025
Selected format:Guide for commissioning flywheel energy storage power stations
Standard published on 31.10.2025
Selected format:Technical requirements for connecting compressed air energy storage station to power grid
Standard published on 31.10.2025
Selected format:Space environment—Spacecraft solar panels charging inducedelectrostatic discharge test methods
Standard published on 31.10.2025
Selected format:Operational nuclear power plant core metadata
Standard published on 31.10.2025
Selected format:Cleanrooms and associated controlled environments—Operation and maintenance service
Standard published on 31.10.2025
Selected format:Test methods for liquid crystal mixtures
Standard published on 31.10.2025
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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