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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
Information technology—Terminology for biometrics
WITHDRAWN published on 14.1.2011
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WITHDRAWN published on 1.1.1981
Selected format:Measurement of fluid flow by means of orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full
WITHDRAWN published on 3.2.1993
Selected format:Information technology—Software reuse—Concept of operations for interoperating reuse libraries
WITHDRAWN published on 14.1.2011
Selected format:Gases for electronic industry - Arsine
WITHDRAWN published on 14.1.2011
Selected format:Fluorine and mixed gases of fluorine-nitrogen
WITHDRAWN published on 14.1.2011
Selected format:Household and similar healthful massage cushion
WITHDRAWN published on 14.1.2011
Selected format:Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels—Part 1:Metal fittings for pipes of nominal outside diameter less than or equal to 63 mm
WITHDRAWN published on 14.1.2011
Selected format:Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels—Part 2:Metal fittings for pipes of nominal outside diameter greater than 63 mm
WITHDRAWN published on 14.1.2011
Selected format:General technical requirements for self-inhalation filtertype dust respirator
WITHDRAWN published on 2.9.1992
Selected format:Latest update: 2026-04-17 (Number of items: 2 274 270)
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