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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
Unified weighting network for measuring video continuous random noise
WITHDRAWN published on 5.5.1983
Selected format:National central product classification-Product category core metadata-Part 1:Description rules
WITHDRAWN published on 17.9.2018
Selected format:National central product classification-Product category core metadata-Part 10:Sensors
WITHDRAWN published on 17.9.2018
Selected format:National central product classification-Product category core metadata-Part 11:Magnetic stripe card and integrated circuit card
WITHDRAWN published on 17.9.2018
Selected format:National central product classification-Product category core metadata-Part 12:Glasses
WITHDRAWN published on 17.9.2018
Selected format:National central product classification-Product category core metadata-Part 6:Clock and watch
WITHDRAWN published on 17.9.2018
Selected format:National central product classification-Product category core metadata-Part 9:Vehicle navigation terminal
WITHDRAWN published on 17.9.2018
Selected format:Electronic invoice based information specification
WITHDRAWN published on 17.9.2018
Selected format:Technical specification of measurement condenser microphones
WITHDRAWN published on 1.1.1983
Selected format:Methods for determining electroacoustic characteristics of measurement condenser microphones
WITHDRAWN published on 1.1.1983
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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