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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
Rolling bearings—Accessories—Part 2:Locknuts and locking devices
WITHDRAWN published on 27.3.2006
Selected format:Open front mechanical power presses—Testing of the accuracy
WITHDRAWN published on 5.5.1988
Selected format:Four-column hydraulic presses—Testing of the accuracy
WITHDRAWN published on 10.4.1988
Selected format:Spline hobbing machines--Testing of the accuracy
WITHDRAWN published on 5.5.1988
Selected format:Jet fuels—Determination of thermal oxidation stability—JFTOT method
WITHDRAWN published on 29.4.1988
Selected format:Standard test method for thermal oxidation stability of aviation turbine fuels - JFTOT procedure
WITHDRAWN published on 10.1.2011
Selected format:Mark rules of highway route and number of national trunk highway
WITHDRAWN published on 4.6.2009
Selected format:Mark rules of highway route—Naming, numbering and coding
WITHDRAWN published on 17.10.2000
Selected format:Mark rules of highway route—Name and number of national trunk highway
WITHDRAWN published on 17.10.2000
Selected format:Grades of basket-fired green tea for scenting
WITHDRAWN published on 30.4.1988
Selected format:Latest update: 2024-09-08 (Number of items: 2 346 102)
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