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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 bearing accessories--Lockwashers--Basic dimensions
WITHDRAWN published on 1.1.1988
Selected format:Rolling bearing accessories--Lock plates--Basic dimensions
WITHDRAWN published on 1.1.1988
Selected format:Spherical plain bearing rod ends--Boundary dimensions
WITHDRAWN published on 1.1.1988
Selected format:Spherical plain thrust bearings-Boundary dimensions
WITHDRAWN published on 1.1.1990
Selected format:Spherical plain radial bearings, joint type-Boundary dimensions
WITHDRAWN published on 1.1.1990
Selected format:Angular contact spherical plain bearings-Boundary dimensions
WITHDRAWN published on 1.1.1990
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WITHDRAWN published on 5.5.1988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WITHDRAWN published on 10.4.1988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WITHDRAWN published on 5.5.1988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WITHDRAWN published on 29.4.1988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:Latest update: 2026-03-15 (Number of items: 2 266 660)
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