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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
Synthetic testing of High-voltage alternating current circuit-breakers
WITHDRAWN published on 18.6.2008
Selected format:Short-line fault tests for A.S. high-voltage circuit-breaker
WITHDRAWN published on 1.7.1992
Selected format:Terms of sensor
WITHDRAWN published on 1.1.1984
Selected format:Drawings for metal hull of ships—General provisions
WITHDRAWN published on 18.6.1984
Selected format:Drawings for metal hull of ships—Graphical symbols
WITHDRAWN published on 18.6.1984
Selected format:Drawings for metal hull of ships—Presentation and coding of drawings
WITHDRAWN published on 18.6.1984
Selected format:Drawings for metal hull of ships—Dimensioning
WITHDRAWN published on 18.6.1984
Selected format:Method for testing the performance of concrete mixers
WITHDRAWN published on 1.1.1984
Selected format:Test method for the performance of concrete mixer
WITHDRAWN published on 1.1.1995
Selected format:Method for testing the performance of vibrating rollers
WITHDRAWN published on 1.1.1984
Selected format:Latest update: 2025-09-17 (Number of items: 2 234 360)
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