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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
Viscosity classification of internal combustion engine oil
WITHDRAWN published on 2.1.1994
Selected format:General specifications of fire resistive coating for steel structure
WITHDRAWN published on 1.1.1994
Selected format:Fire resistive coating for steel structure
WITHDRAWN published on 10.1.2002
Selected format:Internal and partition concrete panel in residence
WITHDRAWN published on 30.12.1993
Selected format:Technical guides for exergy analysis
WITHDRAWN published on 5.1.1994
Selected format:Technical guides for exergy analysis in energy system
WITHDRAWN published on 15.7.2005
Selected format:Plain bearings—Requirements on backings for thick-walled multilayer bearings
WITHDRAWN published on 21.2.1994
Selected format:Basic terms of surveying and mapping
WITHDRAWN published on 14.1.1994
Selected format:Specifications for computer-aided mapping of large-scale topographic maps
WITHDRAWN published on 14.1.1994
Selected format:Specifications for 1:500 1:1000 1:2000 field digital mapping
WITHDRAWN published on 19.4.2005
Selected format:Latest update: 2026-04-02 (Number of items: 2 270 295)
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