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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
Terminology of monitoring and control system of thermal power station
WITHDRAWN published on 29.7.2011
Selected format:Real-time dynamic monitoring systems of power system—Part 2:Protocols for data transferring
WITHDRAWN published on 29.7.2011
Selected format:Testing specifications of time synchronism systems for power system
WITHDRAWN published on 29.7.2011
Selected format:Powder metallurgy plain bearing--Spherical type--Types dimensions and tolerances
WITHDRAWN published on 17.6.1981
Selected format:Metallographic examination of electrical contact materials
WITHDRAWN published on 29.7.2011
Selected format:Spark tester
WITHDRAWN published on 29.7.2011
Selected format:Grain and oils storage—Technology regulation of heat insulation in warehouse
WITHDRAWN published on 29.9.2011
Selected format:Powder metallurgy plain bearing--Technical requirements
WITHDRAWN published on 17.6.1981
Selected format:Grain and oil storage—Monitoring and control system of stored-grain condition—Part 1:General rule
WITHDRAWN published on 29.9.2011
Selected format:Grain and oil storage—Monitoring and control system of stored-grain condition—Part 2:Slave computer
WITHDRAWN published on 29.9.2011
Selected format:Latest update: 2026-03-25 (Number of items: 2 269 413)
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