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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 and orthotics - Limb deficiencies - Part 3: Method of describing upper limb amputation stumps
Standard published on 30.9.2009
Selected format:Prosthetics and orthotics - Limb deficiencies - Part 4: Description of causal conditions leading to amputation
Standard published on 31.12.2008
Selected format:Prosthetics and orthotics - Limb deficiencies - Part 5: Description of conditions of patient requiring a prosthesis
Standard published on 31.12.2008
Selected format:Competitive qualification of medical stardard of volleyballsitting for disabled athletes
Standard published on 16.3.2009
Selected format:Laboratory glassware—Desiccators
Standard published on 26.10.2024
Selected format:Laboratory glasswareBeakers
Standard published on 26.10.2024
Selected format:Laboratory glassware--Ground flasks
Standard published on 24.10.1995
Selected format:GlasswareStress examination methods
Standard published on 20.8.2021
Selected format:Methods for thermal shock test oflaboratory apparatus glass (stick method)
Standard published on 24.10.1995
Selected format:Glass resistance to attack by a boiling hydrochloric acid gravimetric method of test and classification
Standard published on 20.8.2021
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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