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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
Software engineering—Product evaluation—Part 5:Process for evaluators
WITHDRAWN published on 4.12.2002
Selected format:Method of selected area electron diffraction for transmission electron microscopes
WITHDRAWN published on 5.12.2002
Selected format:Food additive—Sodium nitrate
WITHDRAWN published on 13.9.1996
Selected format:Food additive—Sodium nitrate
WITHDRAWN published on 29.10.2007
Selected format:Liquid crystal and solid-state display devices—Part 1:Generic specification
WITHDRAWN published on 4.12.2002
Selected format:Liquid crystal display devices - Part 1Generic specification
WITHDRAWN published on 31.12.2012
Selected format:Liquid crystal display devices - Part 1-1: Terminology and symbols
WITHDRAWN published on 5.11.2012
Selected format:Liquid crystal and solid-state display devices—Part 2:Liquid crystal display modules sectional specification
WITHDRAWN published on 24.11.2003
Selected format:Liquid crystal and solid-state display devices—Part 2-1:Passive matrix monochrome LCD modules—Blank detail specification
WITHDRAWN published on 3.7.2007
Selected format:Liquid crystal display devices—Part 2-2: Matrix colour LCD modules—Blank detail specification
WITHDRAWN published on 28.6.2008
Selected format:Latest update: 2025-07-19 (Number of items: 2 208 893)
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