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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
Mining-drive sprocket for chains(round link)
WITHDRAWN published on 30.10.2009
Selected format:The method of injection/falloff well test for coalbed methane well
WITHDRAWN published on 30.10.2009
Selected format:Decorative sheets based on thermosetting resins laminated parquet
WITHDRAWN published on 30.10.2009
Selected format:Wood-plastic composite flooring
WITHDRAWN published on 30.10.2009
Selected format:Sulphur for industrial use--Determination of sulphur content
WITHDRAWN published on 1.1.1981
Selected format:9%Nickel steel plates for pressure vessels with specified low temperature properties
WITHDRAWN published on 30.10.2009
Selected format:Nickel alloy steel plates for low temperature pressure vessels
WITHDRAWN published on 29.12.2017
Selected format:Stainless steel plate,sheet and strip for pressure equipments
WITHDRAWN published on 30.10.2009
Selected format:Stainless steel and heat resisting steel plate,sheet and strip forpressure equipments
WITHDRAWN published on 29.12.2017
Selected format:Stainless steel and heat resisting steel plate,sheet and strip for pressure equipments
WITHDRAWN published on 29.12.2017
Selected format:Latest update: 2026-04-05 (Number of items: 2 271 011)
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