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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--Computer graphics--Interfacing techniques for dialogues with graphical devices(CGI)--Functional specification--Part 5:Inputand echoing
Standard published on 14.7.2000
Selected format:Information technology--Computer graphics--Interfacing techniques for dialogues with graphical devices(CGI)--Functional specification--Part 6:Raster
Standard published on 3.1.2000
Selected format:Extra-heavy duty rigid steel conduits for electrical installations
Standard published on 26.12.1997
Selected format:Conduits for electrical purposes--Outside diameters of conduits for electrical installations and threads of conduits and fittings
Standard published on 26.12.1997
Selected format:Industrial furnace terminology
Standard published on 30.12.1997
Selected format:Connecting devices—Flat quick-connect terminations for electrical copper conductors—Safety requirements
Standard published on 29.12.2017
Selected format:Guidelines for safety requirements of fuel cell electric motorcycles and mopeds
Standard published on 30.4.2026
Selected format:Circle-drawing test of coating films
Standard published on 19.11.2020
Selected format:Technical specification for tensile, compression and flexural testing machines for rubber and plastics (constant rate of rtaverse)
Standard published on 20.6.2008
Selected format:Terminology and classification of alcoholic beverages
Standard published on 21.5.2021
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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