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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
Radio-controlled clocks—Signal receiving measurement method
Standard published on 6.8.2023
Selected format:A.C. ventilating fans and regulators for household and similar purposes—Methods for measuring performance
Standard published on 6.8.2023
Selected format:General technology for saline-alkali land improvement—Part 1Improvement technology by iron tailings
Standard published on 6.8.2023
Selected format:General technology for saline-alkali land improvement—Part 2Integrated paddy-pond agri-aquaculture technology
Standard published on 6.8.2023
Selected format:General technology for saline-alkali land improvement—Part 3Biological improvement
Standard published on 6.8.2023
Selected format:Basic requirements of quantum secure communication applications
Standard published on 6.8.2023
Selected format:Mobile robots—Vocabulary
Standard published on 6.8.2023
Selected format:Guidance service robots—General technical specification
Standard published on 6.8.2023
Selected format:Interface specification for signal in space of BeiDou Satellite-based Augmentation System—Part 1: Single frequency service signal BDSBAS-B1C
Standard published on 6.8.2023
Selected format:Interface specification for signal in space of BeiDou Satellite-based Augmentation System—Part 2: Dual-frequency augmentation service signal BDSBAS-B2a
Standard published on 30.4.2026
Selected format:Latest update: 2026-09-22 (Number of items: 2 302 417)
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