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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
Textiles—Determination of bending length of fabrics
WITHDRAWN published on 26.2.2001
Selected format:Textiles—Testing method for thermal retention with accumulated by infrared ray
WITHDRAWN published on 26.2.2001
Selected format:Determination of magnesium oxide content in tin concentrates--Xylidyl blue photometric method
WITHDRAWN published on 29.12.1979
Selected format:Agricultural vehicles—Safety requirements
WITHDRAWN published on 21.3.2001
Selected format:Limits for smoke at free acceleration from agricultural vehicles
WITHDRAWN published on 21.3.2001
Selected format:Plain bearings—Sintered bushes—Dimensions and tolerances
WITHDRAWN published on 26.2.2001
Selected format:Plain bearings--Copper alloy bushes
WITHDRAWN published on 26.2.2001
Selected format:Plainbearings--Bearing fatigue--Plain bearings in test rigs and in application underconditions of hydrodynamic lubrication
WITHDRAWN published on 26.2.2001
Selected format:Plain bearings—Multilayer materials for thin-walled plain bearings
WITHDRAWN published on 26.2.2001
Selected format:Plain bearings—Basic symbols
WITHDRAWN published on 26.2.2001
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 289)
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