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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
Specifications of the medical examinations for the overexposed individuals
WITHDRAWN published on 30.9.2000
Selected format:Medical management standard for internal contamination of radionuclides
WITHDRAWN published on 30.9.2000
Selected format:Estimation standards of personal cumulative exposure to radon decay products for miners
WITHDRAWN published on 30.9.2000
Selected format:Medical management and treatment programme for personnel exposed to accidental external irradiation
WITHDRAWN published on 30.9.2000
Selected format:43 kg/m Steel rails
WITHDRAWN published on 26.9.1963
Selected format:-
WITHDRAWN published on 1.1.1982
Selected format:Determination of tin content in tin concentrates--Beryllium as carrier-fusion with sodium peroxide iodate titrimetric method
WITHDRAWN published on 29.12.1979
Selected format:Report form and contents for radiation induced occupational diseases
WITHDRAWN published on 30.9.2000
Selected format:List for radiation induced diseases
WITHDRAWN published on 30.9.2000
Selected format:Hygienic standard for ozone in indoor air
WITHDRAWN published on 30.9.2000
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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