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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
Chocolate and chocolate products
WITHDRAWN published on 9.10.2003
Selected format:Technique requirement and test method of leaking-safety of gas supply system on using gas vehicle
WITHDRAWN published on 28.10.2003
Selected format:Amorphous and nanocrystalline soft magnetic alloy strips
WITHDRAWN published on 3.11.2003
Selected format:Measuring method of magnetic properties at alternative current for amorphous and nanocrystalline soft magnetic alloys
WITHDRAWN published on 3.11.2003
Selected format:Wrought aluminum alloy extruded profiles for railroad vehicle structures
WITHDRAWN published on 3.11.2003
Selected format:Wrought aluminum alloy extruded profiles for railroad vehicle structures for special environment
WITHDRAWN published on 4.7.2005
Selected format:Non-destructive testing-Industrial radiographic films—Part 1:Classification of film systems for industrial radiography
WITHDRAWN published on 29.10.2003
Selected format:Metallic and other inorganic coatings-Pretreatment of iron or steel to reduce the risk of hydrogen embrittlement
WITHDRAWN published on 29.10.2003
Selected format:Method of testing in compressive strength parallel to grain of wood
WITHDRAWN published on 3.5.1991
Selected format:Method of testing in compressive strength parallel to grain of wood
WITHDRAWN published on 23.2.2009
Selected format:Latest update: 2025-08-27 (Number of items: 2 213 396)
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