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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
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WITHDRAWN published on 1.1.1978
Selected format:Standard of test methed for bending load capacity of gears
WITHDRAWN published on 4.3.1993
Selected format:Determination of efficiency for gear units
WITHDRAWN published on 4.3.1993
Selected format:Bags for human blood and blood components
WITHDRAWN published on 16.3.1993
Selected format:Plastics collapsible containers for human blood and blood components-Part1:Conventional containers
WITHDRAWN published on 5.8.2004
Selected format:Infusion,transfusion,injection equipment for medical use—Part 1:Chemical analysis methods
WITHDRAWN published on 26.11.1998
Selected format:Test methods for infusion,transfusion,injection equipments for medical use—Part 1:Chemical analysis methods
WITHDRAWN published on 3.11.2008
Selected format:Infusion, transfusion, injction equipment for medical use—Part 2:Biological test methods
WITHDRAWN published on 16.3.1993
Selected format:Testing method for melting point of pattern materials in investment casting
WITHDRAWN published on 4.3.1993
Selected format:Testing method for bending strength of pattern materials in investment casting
WITHDRAWN published on 4.3.1993
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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