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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
Inspection regulations of raw silk
WITHDRAWN published on 1.1.1986
Selected format:Method of testing for raw silk
WITHDRAWN published on 26.9.2001
Selected format:Economic operation of air conditioning systems
WITHDRAWN published on 16.2.2000
Selected format:Economic operation of air conditioning systems
WITHDRAWN published on 21.12.2007
Selected format:Models and parameters for calculating radiation doses to the public in the event of a nuclear accident
WITHDRAWN published on 13.1.2000
Selected format:Twist drills—Technical specifications
WITHDRAWN published on 18.2.2000
Selected format:Safety and sanitation requirements for disinfection tableware cabinet
WITHDRAWN published on 16.3.2000
Selected format:Safety and sanitation requirements for disinfecting tableware cabinet
WITHDRAWN published on 2.6.2004
Selected format:Control charts—General guide and introduction
WITHDRAWN published on 16.3.2000
Selected format:Packing and marking for raw silk
WITHDRAWN published on 1.1.1986
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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