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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
Asphalt shingles made from glass felt
WITHDRAWN published on 25.8.2006
Selected format:Bronze sheet
WITHDRAWN published on 31.3.1989
Selected format:Grade of sand and dust storm weather
WITHDRAWN published on 28.8.2006
Selected format:Classification of meteorological drought
WITHDRAWN published on 28.8.2006
Selected format:Grade of pastoral area snow disaster
WITHDRAWN published on 28.8.2006
Selected format:Grading of cold air
WITHDRAWN published on 28.8.2006
Selected format:Grade of valley area rainfall
WITHDRAWN published on 28.8.2006
Selected format:Urban fire-danger weather ratings
WITHDRAWN published on 28.8.2006
Selected format:Tin-zinc-lead-bronze sheets
WITHDRAWN published on 11.11.1980
Selected format:Seamless and welded (except submerged arc-welded) steel tubes for pressure purposes - Ultrasonic testing for the detection of laminar imperfections
WITHDRAWN published on 12.9.2006
Selected format:Latest update: 2024-04-24 (Number of items: 2 895 425)
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