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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
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WITHDRAWN published on 1.1.1986
Selected format:Test methods of shaft sinking winches
WITHDRAWN published on 21.2.1986
Selected format:Types and basic dimensions of locking assemblies
WITHDRAWN published on 1.1.1986
Selected format:Dimensions for mounting rolling bearings
WITHDRAWN published on 21.2.1986
Selected format:Rolling bearings--Mounting dimensions
WITHDRAWN published on 29.10.2003
Selected format:Lifejacket lights
WITHDRAWN published on 21.2.1986
Selected format:Lifejacket lights
WITHDRAWN published on 10.11.2010
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Marine bronze flanged stop valves
WITHDRAWN published on 24.5.1993
Selected format:Methods for chemical analysis of beryllium concentrates-beryl--The phosphate gravimetric method for the determination of beryllium oxide content
WITHDRAWN published on 1.1.1986
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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