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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
Assembling and installation regulation for wind turbine generator systems
WITHDRAWN published on 9.6.2004
Selected format:Limit gauges for plain workpiece
WITHDRAWN published on 26.12.1980
Selected format:Limit gauges for plain workpiece
WITHDRAWN published on 26.12.1980
Selected format:Engineering technical specification for sewage pipeline discharging into the sea
WITHDRAWN published on 26.7.2004
Selected format:Low pressure carbon dioxide fire extinguishing systems and components
WITHDRAWN published on 5.8.2004
Selected format:Limited values of energy efficiency and evaluating values of energy conservation of ballast for high-pressure sodium lamps
WITHDRAWN published on 5.8.2004
Selected format:The minimum allowable values of the energy efficiency and energy efficiency grades for unitary air conditioners
WITHDRAWN published on 23.8.2004
Selected format:The minimum allowable values of the energy efficiency and energy efficiency grades for water chillers
WITHDRAWN published on 23.8.2004
Selected format:Minimum allowable values of energy efficiency and energy efficiency grades for water chillers
WITHDRAWN published on 10.12.2015
Selected format:Limits of fuel consumption for passenger cars
WITHDRAWN published on 20.9.2004
Selected format:Latest update: 2025-12-23 (Number of items: 2 253 013)
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