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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
Ropes—Determination of certain physical and mechanical properties
WITHDRAWN published on 27.2.1988
Selected format:Ropes—Determination of certain physical and mechanical properties
WITHDRAWN published on 21.7.2006
Selected format:Terms of concrete ship
WITHDRAWN published on 29.2.1988
Selected format:Limit for exhaust gas smoke of marine diesel engine
WITHDRAWN published on 29.2.1988
Selected format:Specification of prism binoculars on shipboard
WITHDRAWN published on 29.2.1988
Selected format:The technical terms of floating construction plant
WITHDRAWN published on 29.2.1988
Selected format:Specification of the die-casting dies
WITHDRAWN published on 29.2.1988
Selected format:Specification of the die-casting dies
WITHDRAWN published on 23.7.2003
Selected format:Terminology for dies
WITHDRAWN published on 29.2.1988
Selected format:Terminology of stamping dies
WITHDRAWN published on 7.2.2006
Selected format:Latest update: 2025-08-22 (Number of items: 2 213 186)
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