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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
Test methods of stitching strength for printed and dyed fabrics
WITHDRAWN published on 20.6.1978
Selected format:Test methods for the thermal performance of flat plate solar collectors
WITHDRAWN published on 16.2.2000
Selected format:Test methods for the thermal performance of solar collectors
WITHDRAWN published on 8.11.2007
Selected format:General principles for thermal insulation technique of equipments and pipes
WITHDRAWN published on 18.8.1992
Selected format:General principles for thermal insulation technique of equipment and pipes
WITHDRAWN published on 19.6.2008
Selected format:Effluent standards for pollutants from TNT manufacturing industry
WITHDRAWN published on 18.5.1984
Selected format:Effluent standards for pollutants from RDX manufacturing industry
WITHDRAWN published on 18.5.1984
Selected format:Effluent standards for pollutants from sulphuric acid concentration in propellant and explosive industry
WITHDRAWN published on 1.1.1984
Selected format:Effluent standards for pollutants from mercury fulminate manufacturing industry
WITHDRAWN published on 1.1.1984
Selected format:Effluent standards for pollutants from dinitrodiazophenol manufacturing industry
WITHDRAWN published on 18.5.1984
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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