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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
Fluid power systems and components--Nominal pressures
WITHDRAWN published on 25.4.1988
Selected format:Protective clothing - Test method for chemical protective materials to permeation by chemicals
WITHDRAWN published on 1.4.2009
Selected format:Protective clothing - Protective clothing against microwave radiation
WITHDRAWN published on 1.4.2009
Selected format:Protective clothing—Static protective wool knitting clothing
WITHDRAWN published on 1.4.2009
Selected format:Guideline for selection of hearing protectors
WITHDRAWN published on 1.4.2009
Selected format:Code of practice for safety use of fall protection equipments
WITHDRAWN published on 1.4.2009
Selected format:Personal fall protection equipment - Connectors
WITHDRAWN published on 1.4.2009
Selected format:Laminated impregnated paper strawboard composite floor
WITHDRAWN published on 1.4.2009
Selected format:Surface decorated strawboard with paper impregnated thermosetting resin
WITHDRAWN published on 1.4.2009
Selected format:Quarantine rules for the transport of forest plants and their products
WITHDRAWN published on 1.4.2009
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 289)
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