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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
Method of measuring tyre static loaded performance
WITHDRAWN published on 1.1.1984
Selected format:Chromium-vanadium spring steel wire for valve
WITHDRAWN published on 1.1.1985
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Trapezed steel wire for spring washer
WITHDRAWN published on 18.7.1985
Selected format:Steel wire for prestressed concrete
WITHDRAWN published on 1.1.1985
Selected format:Steel wires for prestressed concrete
WITHDRAWN published on 10.10.1995
Selected format:Steel wires for the prestressing of concrete
WITHDRAWN published on 9.4.2002
Selected format:Steel wire for prestressing of concrete
WITHDRAWN published on 24.6.2014
Selected format:Steel bars prestressed concrete
WITHDRAWN published on 13.5.2005
Selected format:Strand for prestressed concrete
WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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