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Standards GB - Chinese national standards - Page 6927
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
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GB/T 20490-2006
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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WITHDRAWN published on 12.9.2006
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GB/T 20491-2006
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Steel slag powder used for cement and concrete
WITHDRAWN published on 12.9.2006
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GB/T 20492-2006
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Zinc-5% aluminum-mixed mischmetal alloy-coated steel wire and steel wire strand
WITHDRAWN published on 12.9.2006
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GB/Z 20495-2006
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Electronic imaging—Human and organizational issues for successful Electronic Image Management(EIM) implementation
WITHDRAWN published on 23.8.2006
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GB/T 20499-2006
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Method for the determination of di(2-ethylhexyl)adipatemigrating from polyvinyl chloride film in contact with foodstuffs
WITHDRAWN published on 14.9.2006
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GBN 205-1983
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WITHDRAWN published on 1.1.1983
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GB/T 205-2000
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Methods for chemical analysis of aluminate cement
WITHDRAWN published on 3.4.2000
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GB/T 205-2008
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Methods for chemical analysis of aluminate cement
WITHDRAWN published on 21.1.2008
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GB/T 2050-1980
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Ordinary copper-nickel alloy sheets
WITHDRAWN published on 11.11.1980
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GB/T 20501.1-2006
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Guidance system for public information—Design principles and requirements of guidance elements—Part 1:Graphical signs and relative elements
WITHDRAWN published on 4.8.2006
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