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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
General technical requirements for railway signal DC neutral relays
WITHDRAWN published on 13.4.1988
Selected format:Fuel dispensers for motor vehicles
WITHDRAWN published on 17.12.2001
Selected format:Fuel dispensers for motor vehicles
WITHDRAWN published on 26.6.2008
Selected format:Aluminium tubes used for wickless gravity heat pipes
WITHDRAWN published on 14.4.1988
Selected format:Wickless aluminium gravity heat pipes
WITHDRAWN published on 14.4.1988
Selected format:Axially grooved aluminium and aluminum alloy heat pipes
WITHDRAWN published on 14.4.1988
Selected format:Aluminium and aluminium alloy tubes with trapezoid grooves
WITHDRAWN published on 14.4.1988
Selected format:The white ceramic standard plate for colorimetry and photometry
WITHDRAWN published on 16.4.1988
Selected format:The white powdered standard piate for colorimetry and photometry
WITHDRAWN published on 16.4.1988
Selected format:Types organization method for electric tools
WITHDRAWN published on 27.4.1988
Selected format:Latest update: 2024-09-08 (Number of items: 2 346 217)
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