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Standards GB - Chinese national standards - Page 7014
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 21634-2008
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Triple superphosphorate
WITHDRAWN published on 9.4.2008
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GB/T 21636-2008
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Microbeam analysis—Electron probe microanalysis (EPMA)—Vocabulary
WITHDRAWN published on 11.4.2008
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GB/T 21638-2008
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Guide for electron beam microanalysis of defect in steel materials
WITHDRAWN published on 11.4.2008
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GB/T 2164-1991
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Spherical head screw
WITHDRAWN published on 1.1.1991
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GB/T 21648-2008
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Industrial dense woven wire cloth
WITHDRAWN published on 16.4.2008
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GB/T 21649.1-2008
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Particle size analysis—Image analysis methods—Part 1:Static image analysis method
WITHDRAWN published on 16.4.2008
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GB/T 21649.2-2017
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Particle size analysis—Image analysis methods—Part 2:Dynamic image analysis methods
WITHDRAWN published on 28.2.2017
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GB/T 2165-1991
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Quick discharging bolt for T-slot
WITHDRAWN published on 1.1.1991
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GB/T 21651-2008
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Secondarily zinc alloy ingots
WITHDRAWN published on 31.3.2008
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GB/T 21652-2008
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Copper and copper alloy wire
WITHDRAWN published on 31.3.2008
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