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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
Crude petroleum and products—Determination of salt content
WITHDRAWN published on 25.6.1986
Selected format:Crude petroleum—Determination of water and sadiment—Centrifuge method
WITHDRAWN published on 25.6.1986
Selected format:Gasoline—Determination of lead content—Volumetric chromate method
WITHDRAWN published on 24.6.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Petroleum products—Determination of distillation
WITHDRAWN published on 16.6.1997
Selected format:No3 Jet fuel
WITHDRAWN published on 23.8.1994
Selected format:No.3 Jet fuel
WITHDRAWN published on 8.12.2006
Selected format:Engine oils-Determination of apparent viscosity—Using the cold-cranking simulator
WITHDRAWN published on 9.6.2000
Selected format:Determination of apparent viscosity of engine oils using the cold-cranking simulator
WITHDRAWN published on 2.9.2010
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Latest update: 2026-06-26 (Number of items: 2 284 409)
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