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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
General principles for monitoring and testing of energy saving
WITHDRAWN published on 11.3.2009
Selected format:Monitoring and testing method for energy saving of industrial boilers
WITHDRAWN published on 17.12.1994
Selected format:Monitoring and testing method for energy saving of electroheat furnace in industrial heat treating
WITHDRAWN published on 17.12.1994
Selected format:Peanut in shell
WITHDRAWN published on 6.5.1986
Selected format:General principle for discharge and utilization technology of ash and slag in power station
WITHDRAWN published on 17.12.1994
Selected format:Technical requirements and test methods for combustible gas detectors
WITHDRAWN published on 1.1.1994
Selected format:Combustible gas detectors—Part1:point type detectors for 0100%LEL Combustible gas
WITHDRAWN published on 21.2.2003
Selected format:Combustible gas detectors—Part 2:Self-contained detectors for 0100%LEL combustible gas
WITHDRAWN published on 21.2.2003
Selected format:Combustible gas detectors—Part 3:portable detectors for 0100%LEL combustible gas
WITHDRAWN published on 21.2.2003
Selected format:Combustible gas detectors—Part 4:Point type detectors for combustible man-made gas
WITHDRAWN published on 21.2.2003
Selected format:Latest update: 2026-03-29 (Number of items: 2 269 691)
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