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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
Inhibited mineral oil—Test method of rust preventing characteristics in the presence of water
WITHDRAWN published on 31.3.1989
Selected format:Lubricating fluids--Measurementof extreme pressure properties--Timken method
WITHDRAWN published on 31.3.1989
Selected format:Automotive fluid lubricants—Determination of low-temperature viscosity—Brookfield viscometer method
WITHDRAWN published on 31.3.1989
Selected format:Crude oils—Determination of water—Karl Fischer reagent method
WITHDRAWN published on 1.11.1999
Selected format:Asphalt—Sampling method
WITHDRAWN published on 31.3.1989
Selected format:Asphalt--Determination of solubility
WITHDRAWN published on 31.3.1989
Selected format:Cylindrical cutters
WITHDRAWN published on 17.6.1985
Selected format:Cylindrical cutters—Part 1:The types and dimensions
WITHDRAWN published on 30.5.2002
Selected format:Cylindrical cutters—Part 2:The technical specifications
WITHDRAWN published on 30.5.2002
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2026-03-02 (Number of items: 2 264 418)
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