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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 the production of phosgene and phosgenation products
WITHDRAWN published on 13.3.2003
Selected format:Evaluation and routine testing in medical imaging departments-Part 3-2:Acceptance tests-Imaging performance of mammographic X-ray equipment
WITHDRAWN published on 27.1.2005
Selected format:Evaluation and routine testing in medical imaging departments—Part 3-5:Acceptance tests—Imaging performances of computed tomography X-ray equipment
WITHDRAWN published on 17.10.2006
Selected format:Limited values of energy efficiency and rating criteria of double-capped fluorescent lamps for general lighting service
WITHDRAWN published on 17.3.2003
Selected format:Minimum allowable values of energy efficiency and the energy efficiency grades of double-capped fluorescent lamps for general lighting service
WITHDRAWN published on 9.6.2013
Selected format:Limited values of energy efficiency and rating criteria of self-ballasted fluorescent lamps for general lighting service
WITHDRAWN published on 17.3.2003
Selected format:Minimum allowable values of energy efficiency and the energy efficiency grades of self-ballasted fluorescent lamps for general lighting service
WITHDRAWN published on 9.6.2013
Selected format:Medical electron accelerators—Acceptance and periodic tests
WITHDRAWN published on 26.3.2003
Selected format:Reinforced truck tyres
WITHDRAWN published on 28.3.2003
Selected format:Product of designations of origin or geographical indication—Longkou Vermicelli
WITHDRAWN published on 28.3.2003
Selected format:Latest update: 2026-11-14 (Number of items: 2 210 114)
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