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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--Tolerances gaging practice
WITHDRAWN published on 1.1.1984
Selected format:Rolling bearings—Measuring and gauging principles and methods
WITHDRAWN published on 14.12.1995
Selected format:Rolling bearings--General requirements
WITHDRAWN published on 1.1.1984
Selected format:Rolling bearings—General technical regulations
WITHDRAWN published on 18.12.1996
Selected format:Rolling bearings—General technical regulations
WITHDRAWN published on 21.2.2005
Selected format:Rolling bearings--Thrust ball bearings--Tolerances
WITHDRAWN published on 1.1.1994
Selected format:Rolling bearings—Thrust bearings—Tolerances
WITHDRAWN published on 11.10.2002
Selected format:Rolling bearings—Tolerances—Part 4:Tolerances for thrust bearings
WITHDRAWN published on 3.9.2012
Selected format:Pitch coke
WITHDRAWN published on 10.5.1982
Selected format:Method for the determination of the true specific gravity of pitch coke
WITHDRAWN published on 10.5.1982
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
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