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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
Boosting pressure water supply equipment for rectangular tank
WITHDRAWN published on 15.11.2009
Selected format:Rolling bearings—Angular contact thrust ball bearings used for machine tool screws
WITHDRAWN published on 15.11.2009
Selected format:Rolling bearings—Non-destructive testing—Magnetic particle testing
WITHDRAWN published on 15.11.2009
Selected format:Rolling bearings—Test and assessment for life and reliability
WITHDRAWN published on 15.11.2009
Selected format:Inspection rules for rolling bearings and commercial parts
WITHDRAWN published on 15.11.2009
Selected format:Rolling bearings—Thermal speed rating—Calculation and coefficients
WITHDRAWN published on 15.11.2009
Selected format:Troilite and sulphur concentrates--Determination of moisture content
WITHDRAWN published on 1.1.1981
Selected format:Rolling bearings—Measuring methods for vibration—Part 1:Fundamentals
WITHDRAWN published on 15.11.2009
Selected format:Rolling bearings—Measuring methods for vibration—Part 2:Radial ball bearings with cylindrical bore and outside surface
WITHDRAWN published on 15.11.2009
Selected format:Rolling bearings—Measuring methods for vibration—Part 3:Radial spherical and tapered roller bearings with cylindrical bore and outside surface
WITHDRAWN published on 15.11.2009
Selected format:Latest update: 2026-04-27 (Number of items: 2 274 955)
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