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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 16Centrifugal machines for constant acceleration test
Standard published on 28.12.2018
Selected format:Inspection methods for basic parameters of Environmental testing equipments for electric and electronic products Combined sequential cold low air pressure And damp heat testing equipments
Standard published on 26.8.2005
Selected format:Inspection methods for environmental testing equipments—Part 18Composite temperature/humidity cyclic testing equipments
Standard published on 11.7.2022
Selected format:Inspection methods for environmental testing equipments—Part 19:Combined temperature vibration(sinusoidal) testing equipment
Standard published on 28.12.2018
Selected format:Inspection methods for environmental testing equipments—Part 2: Temperature testing equipments
Standard published on 29.12.2017
Selected format: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:Latest update: 2026-06-30 (Number of items: 2 285 193)
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