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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
Types and dimensions of gauges for metric trapezoidal screw threads
WITHDRAWN published on 10.2.2004
Selected format:Height vernier callipers
WITHDRAWN published on 1.1.1987
Selected format:Nomenclature of broaches
WITHDRAWN published on 1.1.1987
Selected format:Test procedure for single phase A.C.series motor
WITHDRAWN published on 8.8.1987
Selected format:Test procedures for single-phase series motors
WITHDRAWN published on 13.6.2008
Selected format:-
WITHDRAWN published on 1.1.1987
Selected format:Industrial automation systems—Numerical control of machines—Vocabulary
WITHDRAWN published on 2.9.1997
Selected format:Oscilloscopes and peak volmeters for impulse tests
WITHDRAWN published on 22.2.1989
Selected format:Tai hu pig
WITHDRAWN published on 10.8.1987
Selected format:Taihu pig
WITHDRAWN published on 4.9.2006
Selected format:Latest update: 2026-03-25 (Number of items: 2 269 413)
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