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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
Nanotechnologies—Measurements of particle size and shape distributions by transmission electron microscopy
Standard published on 31.12.2024
Selected format:Solar thermal electric plants—Characterization of active, sensible systems for direct and indirect configurations
Standard published on 31.12.2024
Selected format:Critital current measurement—DC critical current of REBCO composite superconductors
Standard published on 31.12.2024
Selected format:Terminology work—Age-friendly—Basic vocabulary
Standard published on 31.12.2024
Selected format:Technical guide for grid connection of wave energy generation device
Standard published on 31.12.2024
Selected format:Technical requirement for insulation monitoring of low voltage power system in power plants and substations
Standard published on 31.12.2024
Selected format:Road vehicles—Supply voltage of 48 V—Electrical requirements and tests
Standard published on 31.12.2024
Selected format:Technical specifications of energy consumption measurement for flue gas CO2 capture system in thermal power plants
Standard published on 31.12.2024
Selected format:Guidelines for age-friendly accessible design of consumer products
Standard published on 31.12.2024
Selected format:Public security—Biometric recognition application—Database requirements for testing and evaluating algorithm
Standard published on 31.12.2024
Selected format:Latest update: 2026-09-02 (Number of items: 2 300 083)
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