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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
Scraps of indium
WITHDRAWN published on 16.6.2011
Selected format:Hexagon lobular socket countersunk head screws
WITHDRAWN published on 17.1.1986
Selected format:Hexagon lobular socket countersunk head screws
WITHDRAWN published on 2.7.2007
Selected format:Hexalobular socket countersunk flat head screws
WITHDRAWN published on 28.12.2018
Selected format:Treatment and processing of waste tyre
WITHDRAWN published on 20.7.2011
Selected format:Process for retreading of tyres
WITHDRAWN published on 20.7.2011
Selected format:Hexagon lobular socket raised countersunk head screws
WITHDRAWN published on 2.4.1981
Selected format:Hexalobular socket raised countersunk head screws
WITHDRAWN published on 10.2.2004
Selected format:Brake linings for motor tricycle
WITHDRAWN published on 20.7.2011
Selected format:Basalt fiber composites for strengthening and restoring structures
WITHDRAWN published on 20.7.2011
Selected format:Latest update: 2026-03-26 (Number of items: 2 269 551)
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