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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
Gauges for straight cylindrical involute splines
WITHDRAWN published on 27.4.1985
Selected format:Straight cylindrical involute splines—Gauge
WITHDRAWN published on 5.7.2006
Selected format:Hose connection for equipment for welding and cutting
WITHDRAWN published on 23.4.1985
Selected format:Petroleum products and additives—Determination of mechanical impurities—Gravimetric method
WITHDRAWN published on 5.9.1988
Selected format:Acoustics—Measurement of noise emitted by railbound vehicles
WITHDRAWN published on 3.7.1995
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WITHDRAWN published on 24.4.1985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WITHDRAWN published on 27.8.2015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WITHDRAWN published on 24.4.1985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WITHDRAWN published on 24.4.1985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WITHDRAWN published on 24.4.1985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:Latest update: 2024-05-12 (Number of items: 2 898 605)
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