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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
Washing tools with limited quantity water for live working (Short water gun with long water column)
WITHDRAWN published on 5.6.2003
Selected format:Criteria for the design of safety-related DC auxiliary power systems for nuclear power plants
WITHDRAWN published on 31.7.1993
Selected format:Recommended practice for the design of DC auxiliary power system for nuclear power stations
WITHDRAWN published on 19.9.2008
Selected format:Electrical system design of electric and electrohydraulic steering gear in ships
WITHDRAWN published on 31.7.1993
Selected format:General specification for marine semiconductor convertors
WITHDRAWN published on 31.7.1993
Selected format:Test method for shear properties of sandwich constructions or cores
WITHDRAWN published on 20.9.1988
Selected format:Test method for shear properties of sandwich constructions or cores
WITHDRAWN published on 18.5.2005
Selected format:Soil quality. Determination of BHC and DDT. Gas chromatography
WITHDRAWN published on 6.8.1993
Selected format:Organisms quality - Determination of BHC and DDT—Gas chromatography
WITHDRAWN published on 6.8.1993
Selected format:Water and soil quality—Determination of organophosphorus pesticides—Gas chromatography
WITHDRAWN published on 6.8.1993
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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