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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
Acoustics—Measurement of noise emitted by railbound vehicle
WITHDRAWN published on 30.12.2011
Selected format:Electronvolt and joule conversion tables
WITHDRAWN published on 24.4.1985
Selected format:Standard for assessment of industrialized building
WITHDRAWN published on 27.8.2015
Selected format:Atomic mass unit and kilogram conversion tables
WITHDRAWN published on 24.4.1985
Selected format:Apostilb and Candela per square metre conversion tables
WITHDRAWN published on 24.4.1985
Selected format:Curie and Becquerel conversion tables
WITHDRAWN published on 24.4.1985
Selected format:Rontgen and Coulomb per kilogram conversion tables
WITHDRAWN published on 24.4.1985
Selected format:Carbon steel covered electrodes
WITHDRAWN published on 1.1.1985
Selected format:Carbon steel covered electrodes
WITHDRAWN published on 12.7.1995
Selected format:Low alloy steel covered electrodes
WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2026-06-15 (Number of items: 2 282 497)
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