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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
Surface active agents—Determination of iodine value
WITHDRAWN published on 31.12.2012
Selected format:Paints and varnishes—Determination of resistance to humidity(continuous condensation)
WITHDRAWN published on 10.12.1992
Selected format:Petroleum and liquid petroleum products—Measurement of liquid level in tank—Manual method
WITHDRAWN published on 10.12.1992
Selected format:Heavy duty gear oil for automobile(GL-5)
WITHDRAWN published on 10.12.1992
Selected format:Standard method for using the ferrous sulfate(Fricke) dosimeter to measure absorbed dose in water
WITHDRAWN published on 22.2.1989
Selected format:Standard for navigation of inland river
WITHDRAWN published on 1.1.1990
Selected format:Shackle insulators for high voltage overhead lines
WITHDRAWN published on 17.7.1993
Selected format:Water quality--Determination of TNT--Spectrophotometry
WITHDRAWN published on 23.11.1992
Selected format:Water quality--Determination of TNT RDX DNT--Gas chromatography
WITHDRAWN published on 23.11.1992
Selected format:Water quality--Determination ofTNT--Sodium sulfite spectrophotometry
WITHDRAWN published on 23.11.1992
Selected format:Latest update: 2026-04-15 (Number of items: 2 272 661)
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