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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
Microbiological examination of food hygiene-Examination of Campylobacter jejuni
WITHDRAWN published on 18.3.1994
Selected format:Microbiological examination of food hygiene—Examination of Campylobacter jejuni
WITHDRAWN published on 11.8.2003
Selected format:Microbiological examination of food hygiene—Examination of Campylobacter jejuni
WITHDRAWN published on 21.11.2008
Selected format:Sapoznikovpenetrometer test for bituminous coal
WITHDRAWN published on 1.1.1987
Selected format:Determination of plastometric indices of bituminous coal
WITHDRAWN published on 16.3.2000
Selected format:The hygienic standard for the residue and analytical method of ethylene dibromide in grains
WITHDRAWN published on 1.1.1984
Selected format:Graphical symbols of pipeline accessory systems in ships
WITHDRAWN published on 26.11.1984
Selected format:Basic health standards for radiological protection
WITHDRAWN published on 1.12.1984
Selected format:Safety requirements for electronic measuring apparatus
WITHDRAWN published on 1.1.1984
Selected format:Safety requirements for electrical equipment for measurement, control, and laboratory use Part 1:General requirements
WITHDRAWN published on 29.12.1995
Selected format:Latest update: 2025-12-21 (Number of items: 2 252 887)
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