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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
Paper-making raw material--Determination of polypentose content
WITHDRAWN published on 1.1.1981
Selected format:The setting specification for microwave traffic detector
WITHDRAWN published on 20.7.2011
Selected format:Technical specification for car transport vehicles
WITHDRAWN published on 20.7.2011
Selected format:Semitrailer landing gears
WITHDRAWN published on 20.7.2011
Selected format:Combination of vehicle performance requirements and test method
WITHDRAWN published on 20.7.2011
Selected format:Fuel cell electric vehicles—Refuelling receptacle
WITHDRAWN published on 20.7.2011
Selected format:Pulp, paper and paper board--Determination of water soluble chlorides
WITHDRAWN published on 1.1.1981
Selected format:Paper, board and pulp—Determination of water soluble chlorides(HgNO3 method)
WITHDRAWN published on 24.9.1994
Selected format:Paper, board and pulp—Determination of water soluble chlorides
WITHDRAWN published on 24.3.2008
Selected format:Pulp--Determination of chlorine consumption (degree of delignification)
WITHDRAWN published on 1.1.1981
Selected format:Latest update: 2026-03-26 (Number of items: 2 269 551)
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