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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
Electric wires and cables--A. C. spark test of insulated cores
WITHDRAWN published on 1.1.1983
Selected format:Test methods for determining electrical properties of electric cables and wires A.C. spark test of insulated cores
WITHDRAWN published on 19.5.1994
Selected format:Light for survival craft and rescue boats
WITHDRAWN published on 19.2.2014
Selected format:Bodyside entrance systems for urban rail transit vehicle
WITHDRAWN published on 19.2.2014
Selected format:Chemical products for industrial use—General method for determination of iron content—o-Phenanthroline spectrophotometric method
WITHDRAWN published on 18.4.1986
Selected format:Rolling bearings with locating snap ring--Dimensions and tolerances
WITHDRAWN published on 1.1.1989
Selected format:Rolling bearings—Snap ring groove and snap ring on outer ring—Dimensions and tolerances
WITHDRAWN published on 12.8.1998
Selected format:Geological evaluating methods for tight sandstone gas
WITHDRAWN published on 19.2.2014
Selected format:Traffic signal controller for lanes on urban road
WITHDRAWN published on 13.12.2013
Selected format:-
WITHDRAWN published on 1.1.1982
Selected format:Latest update: 2026-03-13 (Number of items: 2 266 261)
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