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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 of americium-241 alpha sources for ionization smoke fire detectors
WITHDRAWN published on 19.12.1996
Selected format:Polyvinyl chloride plastic sheets for waterproofing
WITHDRAWN published on 4.6.1991
Selected format:Polyvinyl chloride plastic sheets for waterproofing
WITHDRAWN published on 11.2.2003
Selected format:Chlorinated polyethylene plastic sheets for waterproofing
WITHDRAWN published on 4.6.1991
Selected format:General testing methods for construction adhesives
WITHDRAWN published on 4.6.1991
Selected format:General technical conditions for steel fire door
WITHDRAWN published on 4.6.1991
Selected format:Fire resistant doorsets
WITHDRAWN published on 22.4.2008
Selected format:Fixtures and fittings for toilet
WITHDRAWN published on 4.6.1991
Selected format:Fixtures for bathroom
WITHDRAWN published on 30.6.2008
Selected format:Test method for activity of industrial waste slag used as addition to cement
WITHDRAWN published on 4.6.1991
Selected format:Latest update: 2026-08-25 (Number of items: 2 298 362)
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