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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
Inspection methods for environmental testing equipments—Part 20Water testing equipments
Standard published on 11.7.2022
Selected format:Inspection methods for environmental testing equipments—Part 21:Hydraulic vibrating type system for vibration (random) test
Standard published on 7.9.2023
Selected format:Inspection methods environmental testing equipment—Part 22:The equipment for acoustic vibration test in reverberation field
Standard published on 29.9.2024
Selected format:Inspection methods for environmental testing equipments for electric and electronic products—Part 5Damp heat testing equipments
Standard published on 13.12.2016
Selected format:Inspection methods for environmental testing equipments—Part 8: Salt mist testing equipments
Standard published on 29.12.2017
Selected format:Inspection methods for environmental testing equipments—Part 9Solar radiation testing equipments
Standard published on 29.12.2017
Selected format:Small power motorsPart 1: General technical requirements
Standard published on 6.5.2014
Selected format:Small power motors—Part 21: General test methods
Standard published on 29.8.2016
Selected format:Small-power motors—Part 22:Test methods for permanent magnet brushless DC motors
Standard published on 29.12.2017
Selected format:Regulations for radiation safety and protection of particle accelerators
Standard published on 2.12.2025
Selected format:Latest update: 2026-08-14 (Number of items: 2 293 479)
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