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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
Welded steel pipes for low pressure liquid delivery
WITHDRAWN published on 13.5.2008
Selected format:Isoprene rubber(IR)Non-oil-extended,solution-polymerized typsEvaluation procedure
WITHDRAWN published on 8.7.2014
Selected format:PlasticsPolypropylene materials for meltblown
WITHDRAWN published on 8.7.2014
Selected format:High-pressure seamless steel tubes for diesel engine
WITHDRAWN published on 11.9.2002
Selected format:Cold drawn shaped steel tubes
WITHDRAWN published on 25.10.2000
Selected format:Code of practice for technical management of pumping station
WITHDRAWN published on 8.7.2014
Selected format:Ambient air quality standard
WITHDRAWN published on 29.1.1996
Selected format:Patrol gauging equipment for hydrometry
WITHDRAWN published on 8.7.2014
Selected format:Standard of environmental noise of urban area
WITHDRAWN published on 8.9.1993
Selected format:Wind turbines—Communications for monitoring and control of wind power plants—Part 1: Overall description of principles and models
WITHDRAWN published on 24.7.2014
Selected format:Latest update: 2024-04-18 (Number of items: 2 859 866)
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