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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
Thinnest-wall seamless tubes of stainless and acid-resistance steel
WITHDRAWN published on 10.5.1982
Selected format:Thinnest-wall seamless tubes of stainless steel
WITHDRAWN published on 13.5.2008
Selected format:Haematococcus pluvialis powde
WITHDRAWN published on 30.9.2014
Selected format:Scrap steel from slag for steelmaking
WITHDRAWN published on 30.9.2014
Selected format:Selected luppen for smelt
WITHDRAWN published on 30.9.2014
Selected format:Rolling bearings—Needle rollers
WITHDRAWN published on 17.10.2000
Selected format:Stainless steel small diameter seamless steel tubes
WITHDRAWN published on 25.10.2000
Selected format:RubbershoesTest method for shock attenuating properties of athletic shoes
WITHDRAWN published on 8.7.2014
Selected format:Galvanized welded steel pipe for low pressure service
WITHDRAWN published on 1.1.1993
Selected format:Welded steel pipe for low pressure liquid delivery
WITHDRAWN published on 15.9.2001
Selected format:Latest update: 2026-03-13 (Number of items: 2 266 261)
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