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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
Specification installation of hydraulic turbine generator units
WITHDRAWN published on 15.9.2003
Selected format:Information technology—Software life cycle processes
WITHDRAWN published on 2.11.2001
Selected format:Information technology—Software life cycle processes
WITHDRAWN published on 30.4.2007
Selected format:Guidelines for computer software product development documentation
WITHDRAWN published on 7.1.1988
Selected format:Terminology for train operation
WITHDRAWN published on 4.1.1988
Selected format:Packing of solid chemical fertilizers
WITHDRAWN published on 1.1.1987
Selected format:Liquefied anhydrous ammonia—Taking a laboratory sample
WITHDRAWN published on 3.1.1988
Selected format:Liquefied anhydrous ammonia—Estimating of ammonia content
WITHDRAWN published on 3.1.1988
Selected format:Liquefied anhydrous ammonia—Determination of residue content—Gravimetric method
WITHDRAWN published on 3.1.1988
Selected format:Liquefied anhydrous ammonia—Determination of residue content—Titrimetric method
WITHDRAWN published on 3.1.1988
Selected format:Latest update: 2024-12-21 (Number of items: 2 216 840)
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