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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
Safety regulations for metal and nonmetal opencast mines
WITHDRAWN published on 14.6.1996
Selected format:Safety regulations for metal and nonmetal mines
WITHDRAWN published on 22.6.2006
Selected format:Safety regulations for metal and nonmetal underground mines
WITHDRAWN published on 14.6.1996
Selected format:Determination for minimum explosive concentration of dust cloud
WITHDRAWN published on 4.6.1996
Selected format:Determination for electrical resistivity of dust in layer
WITHDRAWN published on 4.6.1996
Selected format:Direct chrysophenine G
WITHDRAWN published on 1.1.1982
Selected format:Determination of the minimum ignition temperature of dust layer
WITHDRAWN published on 4.6.1996
Selected format:China braille musical signs
WITHDRAWN published on 17.6.1996
Selected format:Technical aids for disabled persons--Classification
WITHDRAWN published on 7.6.1996
Selected format:Technical aids for persons with disabilities—Classification and terminology
WITHDRAWN published on 11.6.2004
Selected format:Latest update: 2025-09-17 (Number of items: 2 234 360)
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