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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
Laboratory medicine—Requirements for reference measurement laboratories
WITHDRAWN published on 11.6.2008
Selected format:(The parts and units of jigs and fixtures. Fork eccentric)
WITHDRAWN published on 1.1.1991
Selected format:Test method for tensile strength of impermeable graphite materials
WITHDRAWN published on 27.5.2008
Selected format:Determination of 2-dodecylcyclobutanone in irradiated foods containing fat—GC/MS method
WITHDRAWN published on 16.5.2008
Selected format:Determination of Tertiary Butylhydroquinone in foods - High-Performance of liquid chromatography
WITHDRAWN published on 16.5.2008
Selected format:Determination of phthalate esters in food plastic packaging materials
WITHDRAWN published on 3.6.2008
Selected format:(The parts and units of jigs and fixtures. Single eccentric)
WITHDRAWN published on 1.1.1991
Selected format:Nickel, ferronickel and nickel alloys - Determination of sulfur content - Infrared absorption method after induction furnace combustion
WITHDRAWN published on 30.5.2008
Selected format:Earth-moving machinery—Hydraulic excavator and backhoe loader boom-lowering control device—Requirements and tests
WITHDRAWN published on 3.6.2008
Selected format:(The parts and units of jigs and fixtures. Sided eccentric)
WITHDRAWN published on 1.1.1991
Selected format:Latest update: 2026-01-19 (Number of items: 2 257 233)
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