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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
Sheet-fed offset press
WITHDRAWN published on 11.7.2005
Selected format:Printing machinery—Sheet-fed offset press
WITHDRAWN published on 23.12.2010
Selected format:Quality area specification for flat panel display glass substrates
WITHDRAWN published on 25.4.2016
Selected format:Standard size for flat panel display glass substrates
WITHDRAWN published on 25.4.2016
Selected format:Flat panel displays glass substrate surface roughness measurement method
WITHDRAWN published on 25.4.2016
Selected format:Flat panel displays glass substrates surface waviness measurement method
WITHDRAWN published on 25.4.2016
Selected format:Specification for edge condition of flat panel display glass substrates
WITHDRAWN published on 25.4.2016
Selected format:Specification for flat panel display glass substrates
WITHDRAWN published on 25.4.2016
Selected format:Fire protection snap connections
WITHDRAWN published on 24.2.1995
Selected format:Fire protection snap connections--General technical requirements
WITHDRAWN published on 1.1.1982
Selected format:Latest update: 2026-03-27 (Number of items: 2 269 573)
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