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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
Marine bronze cocks with locker
WITHDRAWN published on 1.1.1989
Selected format:Hydraulic cylinders of hatch covers for ship
WITHDRAWN published on 1.1.1989
Selected format:Testing methods for marine electric three-spindle screw pump
WITHDRAWN published on 14.10.1989
Selected format:Measurement method of vibration for marine engine room auxiliaries
WITHDRAWN published on 14.10.1989
Selected format:Timer for household electric washing machine--Motor-timer
WITHDRAWN published on 1.1.1989
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:Classical V-belts
WITHDRAWN published on 1.1.1989
Selected format:Classical V-belts for general use
WITHDRAWN published on 28.10.1996
Selected format:Classical V-belt for general drive
WITHDRAWN published on 29.12.2006
Selected format:Clay tile
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2025-11-13 (Number of items: 2 243 644)
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