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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
Directive for technique of water metering
WITHDRAWN published on 3.9.2012
Selected format:Determination of zearalenone in feed - High performance liquid chromatigraphic method with immunoaffinity column clean-up
WITHDRAWN published on 3.9.2012
Selected format:Typical assembly of spring stripper for cold press dies--Typical assembly for longitudinal feeding
WITHDRAWN published on 1.1.1981
Selected format:Typical assembly of spring stripper for cold press dies--Typical assembly for cross feeding
WITHDRAWN published on 1.1.1981
Selected format:Gas analysis - Determination of sulfides - Gas chromatograph with flame photometric detector
WITHDRAWN published on 3.9.2012
Selected format:Nitrous oxide
WITHDRAWN published on 3.9.2012
Selected format:Typical assembly of compound die for cold press dies--Typical assembly with rectangular thick die plate
WITHDRAWN published on 1.1.1981
Selected format:Typical assembly of compound die for cold press dies--Typical assembly with rectangular thin die plate
WITHDRAWN published on 1.1.1981
Selected format:Typical assembly of compound die for cold press dies--Typical assembly with round thick die plate
WITHDRAWN published on 1.1.1981
Selected format:Typical assembly of compound die for cold press dies--Typical assembly with round thin die plate
WITHDRAWN published on 1.1.1981
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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