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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
Test methods for leak rate of cryogenic containers
WITHDRAWN published on 5.5.1997
Selected format:Structural silicone sealants for building
WITHDRAWN published on 15.5.1997
Selected format:Test methods for building waterproof coatings
WITHDRAWN published on 6.5.1997
Selected format:General procedure of failure analysis for fiber reinforced plastic structural products
WITHDRAWN published on 6.5.1997
Selected format:Test method for tension-tension fatigue of fiber reinforced plastic laminates
WITHDRAWN published on 6.5.1997
Selected format:Test method for tension-tension fatigue of fiber reinforced plastic laminates
WITHDRAWN published on 30.6.2008
Selected format:Determination of the epoxy value of plasticizers(pyridine-hydrochloride method)
WITHDRAWN published on 30.10.1981
Selected format:Energy consumption grading of cement plant
WITHDRAWN published on 6.5.1997
Selected format:The norm of energy consumption per unit product of cement
WITHDRAWN published on 3.12.2007
Selected format:The norm of energy consumption per unit products of cement
WITHDRAWN published on 31.12.2012
Selected format:Latest update: 2025-11-12 (Number of items: 2 243 625)
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