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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
Test procedure for single-Phase synchronous machine
WITHDRAWN published on 28.6.1993
Selected format:Mechanical counter
WITHDRAWN published on 28.6.1993
Selected format:Test methods for deformation of plastics under load
WITHDRAWN published on 15.6.1993
Selected format:Test method for bearing strength of plastics
WITHDRAWN published on 15.6.1993
Selected format:Standard methods of testing for impact resistance of plats and pats made from engineering plastic rigid plastics by a ball(falling ball)
WITHDRAWN published on 15.6.1993
Selected format:Dimensional tolerances for plastic engineering moulded plastic pats
WITHDRAWN published on 15.6.1993
Selected format:Dimensional tolerances for moulded plastic parts
WITHDRAWN published on 14.8.2008
Selected format:The terms of tea sensory tests
WITHDRAWN published on 19.6.1993
Selected format:Terms of tea sensory tests
WITHDRAWN published on 7.8.2008
Selected format:Method for determination of oil content in oilseeds
WITHDRAWN published on 19.6.1993
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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