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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
Determination of theanine in tea—High performance liquid chromatography
WITHDRAWN published on 31.12.2008
Selected format:Diagnostic techniques for avian infectious bronchitis
WITHDRAWN published on 31.12.2008
Selected format:Determination of rare earth elments in tea—Inductive coupled plasma atomic emission spectrometer and inductive coupled plasma mass spectrometer
WITHDRAWN published on 31.12.2008
Selected format:Specifications for construction and acceptance of electrical apparatus installation work
WITHDRAWN published on 28.4.1982
Selected format:-
WITHDRAWN published on 19.11.1984
Selected format:Metallic materials—Bend test
WITHDRAWN published on 1.11.1999
Selected format:Metallic materials—Bend test
WITHDRAWN published on 2.9.2010
Selected format:Strain clamp (bolted type)
WITHDRAWN published on 1.1.1985
Selected format:Strain clamp (compression type)
WITHDRAWN published on 1.1.1985
Selected format:Strain clamp (hydraulic type)
WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2026-05-13 (Number of items: 2 276 848)
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