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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
Modular parts of fixture construction—General features, profiles and dimensions
WITHDRAWN published on 17.11.1981
Selected format:Transaction subject based upon electronic commerce activities—The specification for personal credit assessment index system and ranking symbols
WITHDRAWN published on 31.10.2011
Selected format:Statistical methods for use in proficiency testing by interlaboratory comparisons
WITHDRAWN published on 31.10.2011
Selected format:Road vehicles - Electrical and electronic equipment for a supply voltage of 42V - Electrical loads
WITHDRAWN published on 31.10.2011
Selected format:Road vehicles—Environmental conditions and testing for electrical and electronic equipment—Part 2:Electrical loads
WITHDRAWN published on 31.10.2011
Selected format:Metallographic inspection for individually cast piston ring of reciprocating internal combustion engine
WITHDRAWN published on 1.1.1981
Selected format:Composite cylinders for breathing apparatus
WITHDRAWN published on 30.12.2011
Selected format:The bundles of seamless steel gas cylinders
WITHDRAWN published on 30.12.2011
Selected format:Technical standard for hot tapping and plugging on steel pipeline
WITHDRAWN published on 30.12.2011
Selected format:Image information management system for highway network—Platform networking and sharing—Part 1:General specification
WITHDRAWN published on 30.12.2011
Selected format:Latest update: 2026-03-20 (Number of items: 2 268 518)
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