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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
Methods for analysis of beer
WITHDRAWN published on 4.12.2001
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WITHDRAWN published on 1.1.1965
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WITHDRAWN published on 1.1.1985
Selected format:General specification of electron probe microanalysis standard specimen
WITHDRAWN published on 30.8.1993
Selected format:Microbeam analysis—Electron probe microanalysis—Guidelines for the specification of certified reference materials(CRMs)
WITHDRAWN published on 11.4.2008
Selected format:The series and type spectrum for helium neon lasers
WITHDRAWN published on 3.1.2000
Selected format:The series and type spectrum for carbon dioxide lasers
WITHDRAWN published on 3.1.2000
Selected format:Field vane shear apparatus
WITHDRAWN published on 1.1.1985
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WITHDRAWN published on 1.1.1985
Selected format:Strain-controlled direct shear apparatus
WITHDRAWN published on 13.12.1996
Selected format:Latest update: 2025-12-23 (Number of items: 2 253 013)
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