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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
Prosthetics—Structural testing of lower-limb prostheses—Part 4:Loading parameters of principal structural tests
WITHDRAWN published on 23.5.2001
Selected format:Prosthetics—Structural testing of lower-limb prostheses—Part 5:Supplementary structural tests
WITHDRAWN published on 11.6.2004
Selected format:Prosthetics—Structural testing of lower-limb prostheses—Part 6:Loading parameters of supplementary structural tests
WITHDRAWN published on 11.6.2004
Selected format:Prosthetics—Structural testing of lower-limb prostheses—Part 7:Test submission document
WITHDRAWN published on 11.6.2004
Selected format:Prosthetics—Structural testing of lower-limb prostheses—Part 8:Test report
WITHDRAWN published on 11.6.2004
Selected format:Grades of cemented carbide Part 1:grades of cemented carbide for cutting tools
WITHDRAWN published on 29.5.2001
Selected format:Grades of cemented carbide Part 2:grades of cemented carbide for geological and mining tools
WITHDRAWN published on 29.5.2001
Selected format:Grades of cemented carbide—Part 2:Grades of cemented carbide for geological and mining tools
WITHDRAWN published on 9.6.2014
Selected format:Grades of cemented carbide Part 3:grades of cemented carbide for wear parts
WITHDRAWN published on 29.5.2001
Selected format:Terms for waterproof bitumen and waterproof sheet
WITHDRAWN published on 13.7.2001
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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