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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
Lubricants and related products(class L)—Classification—Part 10:Family T(Turbines)
WITHDRAWN published on 30.1.1992
Selected format:Lubricants and related products(class L)—Classification—Part 11:Family G(slideways)
WITHDRAWN published on 2.1.1994
Selected format:Lubricants and related products (class L)—Classification—Part 12:Family Q (heat transfer fluid)
WITHDRAWN published on 2.1.1994
Selected format:Lubricants and related products(class L)—Classification—Part 13:Family A(Total loss systems)
WITHDRAWN published on 21.12.1995
Selected format:Lubricants,industrial oils and related products(classL)—Classification—Part 17:Family E(Internal combustion engine oils)
WITHDRAWN published on 23.5.2003
Selected format:Lubricants and related products (class L)-Classification-Part 2:Family H (Hydraulic systems)
WITHDRAWN published on 24.2.1987
Selected format:Lubricants and related products (class L)--Classification--Part3: Family E (internal combustion engines)
WITHDRAWN published on 1.1.1989
Selected format:Classification of internal combustion engine oils
WITHDRAWN published on 21.12.1995
Selected format:Lubricants and related products (Class L)--Classification--Part 7: Family C (gears)
WITHDRAWN published on 1.1.1989
Selected format:-
WITHDRAWN published on 1.1.1992
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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