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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
Methods of vibration (sinusoidal) test for use in industrial process measurement and control instrument
WITHDRAWN published on 3.6.1984
Selected format:General technical specification for hydrant
WITHDRAWN published on 23.9.1996
Selected format:Aboveground hydrant
WITHDRAWN published on 1.1.1984
Selected format:Underground hydrant
WITHDRAWN published on 1.1.1984
Selected format:General technical specification for aboveground and underground hydrant
WITHDRAWN published on 1.1.1984
Selected format:Hydrant connector
WITHDRAWN published on 3.6.1984
Selected format:Rigid polyvinyl chloride plates
WITHDRAWN published on 1.1.1984
Selected format:Rigid polyvinyl chloride laminated plates
WITHDRAWN published on 28.12.1996
Selected format:Polyethylene blown film for agriculture
WITHDRAWN published on 6.7.1994
Selected format:Polyethylene blown covering film for agriculture
WITHDRAWN published on 21.2.2006
Selected format:Latest update: 2025-09-17 (Number of items: 2 234 360)
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