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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
Guidance for determination of clearances, creepage distances and requirements for solid insulation for equipment with a rated voltage above 1 000 V AC and 1 500 V DC, and up to 2 000 V AC and 3 000 V DC
Standard published on 25.4.2024
Selected format:Over-the-air technical requirements of automatic electrical controls for household and similar use
Standard published on 25.4.2024
Selected format:Electronic grade ethyl orthosilicate
Standard published on 25.4.2024
Selected format:General rules for high performance liquid chromatography-quadrupole inductively coupled plasma-mass spectrometry
Standard published on 25.4.2024
Selected format:Space environment—Test method of single event effects induced by pulsed laser of semiconductor devices for space application
Standard published on 25.4.2024
Selected format:General rules for high performance liquid chromatography-atomic fluorescence spectrometry analysis method
Standard published on 25.4.2024
Selected format:General safety technical requirements for intelligent speech control
Standard published on 25.4.2024
Selected format:General rules for chemical vapor generation-atomic fluorescence spectrometry
Standard published on 25.4.2024
Selected format:Test specification of integrating sphere source for remote sensor calibration
Standard published on 25.4.2024
Selected format:Remote operation and maintenance of integrated circuit packaging equipment—Status monitoring
Standard published on 25.4.2024
Selected format:Latest update: 2026-09-10 (Number of items: 2 300 145)
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