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Standards GB - Chinese national standards - Page 7011
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 21542-2008
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Determination of enramycin in feeds - Microbiological method
WITHDRAWN published on 9.4.2008
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GB/T 21543-2008
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Feed additives—Flavorings—General principles
WITHDRAWN published on 9.4.2008
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GB/T 21548-2008
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Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems
WITHDRAWN published on 31.3.2008
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GB/T 2155-1991
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Handle nut
WITHDRAWN published on 1.1.1991
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GB/T 21559.1-2008
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Rolling bearings—Linear motion rolling bearings—Part 1:Dynamic load ratings and rating life
WITHDRAWN published on 31.3.2008
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GB/T 21559.2-2008
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Rolling bearings—Linear motion rolling bearings—Part 2:Static load ratings
WITHDRAWN published on 31.3.2008
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GB/T 2156-1991
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Rotary handle nut
WITHDRAWN published on 1.1.1991
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GB/T 21561.1-2008
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Railway applications—Rolling stock—Pantographs—Characteristics and tests—Part 1:Pantographs for mainline vehicles
WITHDRAWN published on 24.3.2008
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GB/T 21561.2-2008
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Railway applications—Rolling stock—Pantographs—Characteristics and tests—Part 2:Pantographs for metros and light rail vehicles
WITHDRAWN published on 24.3.2008
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GB/T 21563-2008
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Railway applications—Rolling stock equipment—Shock and vibration tests
WITHDRAWN published on 24.3.2008
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