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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
Method for measuring pressure-composition isotherms of RE-base AB5 hydrogen storage alloys
WITHDRAWN published on 27.11.2013
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WITHDRAWN published on 1.1.1982
Selected format:Dimensions of general bricks
WITHDRAWN published on 14.12.1998
Selected format:Aluminum alloy rods with RE&high-Iron for electrical purpose
WITHDRAWN published on 27.11.2013
Selected format:National Food Safety Standard -- Limit of Pathogen in Foods
WITHDRAWN published on 26.12.2013
Selected format:National Food Safety Standard GMP of Formula Food for Medical Use
WITHDRAWN published on 26.12.2013
Selected format:Dimensions of dome bricks for electric arc furnace roofs
WITHDRAWN published on 1.1.1982
Selected format:Food additive -- General Rules for Flavorings
WITHDRAWN published on 29.11.2013
Selected format:High alumina refractory mortars
WITHDRAWN published on 1.1.1982
Selected format:High alumina refractory mortars
WITHDRAWN published on 13.6.1994
Selected format:Latest update: 2026-03-15 (Number of items: 2 266 660)
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