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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
Safety rules for the construction and installation of electric lifts
WITHDRAWN published on 16.6.2003
Selected format:Powered industrial trucks--Control symbols
WITHDRAWN published on 27.3.1987
Selected format:Rubber insulation and sheath of electric cables and wires--Part 1:General
WITHDRAWN published on 28.3.1987
Selected format:Rubber insulation and sheath of electric cables and wires--Part 2:Rubber insulation 65 Centigrade
WITHDRAWN published on 28.3.1987
Selected format:Quality criteria of transformer oils in service
WITHDRAWN published on 3.4.2000
Selected format:Quality of transformer oils in service
WITHDRAWN published on 24.9.2008
Selected format:Quality criteria of turbine oils in service for power plants
WITHDRAWN published on 3.4.2000
Selected format:In-service quality criteria of turbine oils used in power plants
WITHDRAWN published on 24.9.2008
Selected format:Method of sampling for transformer and turbine oils in electric power industry
WITHDRAWN published on 26.3.1987
Selected format:Determination of water-soluble acid in transformer and turbine oils in service by colormetric method
WITHDRAWN published on 26.3.1987
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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