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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
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WITHDRAWN published on 1.1.1983
Selected format:Coupling—Vocabulary
WITHDRAWN published on 25.7.1997
Selected format:Milling machines with table of fixed height with horizontal or vertical spindle—Testing of the accuracy
WITHDRAWN published on 9.11.1983
Selected format:Milling machines with table of variable height with horizontal or vertical spindle--Testing of the accuracy
WITHDRAWN published on 9.11.1983
Selected format:Gauges for general purpose screw threads
WITHDRAWN published on 9.11.1983
Selected format:Fundamental terms of standardization part 1
WITHDRAWN published on 1.1.1983
Selected format:General terms and their definitions concerning standardization and related activities--Part 1: Basic terms
WITHDRAWN published on 26.4.1996
Selected format:Tired barrow
WITHDRAWN published on 1.1.1983
Selected format:Tired barrow--Rim
WITHDRAWN published on 1.1.1983
Selected format:Tired barrow--Spoke and nat
WITHDRAWN published on 1.1.1983
Selected format:Latest update: 2025-11-12 (Number of items: 2 243 625)
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