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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
flame arresters for petroleum tanks
WITHDRAWN published on 14.9.2005
Selected format:Truck wheels test methods
WITHDRAWN published on 1.1.1986
Selected format:Performance requirements and test methods of truck wheels
WITHDRAWN published on 12.9.1995
Selected format:Performance requirements and test methods of commercial vehicles wheels
WITHDRAWN published on 30.10.2009
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Marine cast iron flanged stop check valves
WITHDRAWN published on 16.10.1993
Selected format:Passenger cars--Load distribution
WITHDRAWN published on 1.1.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Rules governing designation of railway turnouts and crossings
WITHDRAWN published on 1.1.1986
Selected format:Mechanical vibration of machines and equipments in diesel locomotive Evaluation of vibration severity in site
WITHDRAWN published on 3.3.1986
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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