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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
Accuracy of rack
WITHDRAWN published on 10.12.1988
Selected format:Worsted and woollen cards--Width of cylinder and widthon the wire
WITHDRAWN published on 1.1.1988
Selected format:Textile machinery and accessories—Worsted and woollen cards—Width of cylinder and width on the wire
WITHDRAWN published on 10.11.2003
Selected format:Marine gearbox family and technical specification for medium speed diesel engine
WITHDRAWN published on 10.12.1988
Selected format:Marine gearbox family for medium speed diesel engine
WITHDRAWN published on 1.1.1988
Selected format:Building construction-modular coordination-stairs
WITHDRAWN published on 9.2.1987
Selected format:Counting regulation for power consumption of city trolleybus
WITHDRAWN published on 1.1.1989
Selected format:Marine pneumatic clutch
WITHDRAWN published on 1.1.1988
Selected format:Shipbuilding--Shipborne barges, series 3--Ventilation system--Principal mating dimensions
WITHDRAWN published on 10.12.1988
Selected format:Ships wire nippers for topping lifts
WITHDRAWN published on 10.12.1988
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
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