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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
Surveillance methods for vector density—Mosquito
WITHDRAWN published on 4.5.2009
Selected format:Methanol gasoline(M85) for motor vehicles
WITHDRAWN published on 18.5.2009
Selected format:Metallic materials-wire-reverse bend test
WITHDRAWN published on 20.8.1984
Selected format:Metallic materials—Wire—Reverse bend test
WITHDRAWN published on 15.7.2002
Selected format:Method for the determination of shade and colouring strength for acid mordant dyes
WITHDRAWN published on 1.1.1980
Selected format:Mordant dyes—Determination of dyeing shade and relative strength
WITHDRAWN published on 9.10.2003
Selected format:Determination of fatty acid methyl esters(FAME)in middle distillates by infrared spectroscopy method
WITHDRAWN published on 18.5.2009
Selected format:Petroleum and natural gas industries—Corrosion-resistant alloy seamless tubes for use as casing,tubing and coupling stock—Technical delivery conditions
WITHDRAWN published on 18.5.2009
Selected format:Petroleum and natural gas industries—Corrosion-resistant alloy seamless tubes for use as casing, tubing and coupling stock—Technical delivery conditions
WITHDRAWN published on 15.5.2015
Selected format:Fine ceramics (advanced ceramics,advanced technical ceramics) - Test method for fracture toughness of monolithic ceramics at room temperature by single edge precracked beam (SEPB) method
WITHDRAWN published on 13.5.2009
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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