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Standards GB - Chinese national standards - Page 7608
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 2588-2000
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The general principles for calculation of thermal efficiency of equipment
WITHDRAWN published on 16.3.2000
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GB/T 25883-2010
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Technical regulation of lean-type breeding pig production
WITHDRAWN published on 10.1.2011
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GB/T 2589-1990
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General principles for calculation of total production energy consumption
WITHDRAWN published on 24.7.1990
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GB/T 2589-2008
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General principles for calculation of the comprehensive energy consumption
WITHDRAWN published on 3.2.2008
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GB/T 25890.1-2010
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Railway applications—Fixed installations—DC switchgear—Part 1:General
WITHDRAWN published on 10.1.2011
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GB/T 25890.2-2010
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Railway applications—Fixed installations—DC switchgear—Part 2:DC circuit breakers
WITHDRAWN published on 10.1.2011
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GB/T 25890.3-2010
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Railway applications - Fixed installations - DC switchgear - Part 3: Indoor d.c. disconnectors, switch disconnectors and earthing switches
WITHDRAWN published on 10.1.2011
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GB/T 25890.4-2010
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Railway applications - Fixed installations - DC switchgear - Part 4: Outdoor d.c. disconnectors, switch-disconnectors and earthing switches
WITHDRAWN published on 10.1.2011
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GB/T 25890.5-2010
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Railway applications—Fixed installations—DC switchgear—Part 5:Surge arresters and low-voltage limiters for specific use in d.c.system
WITHDRAWN published on 10.1.2011
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GB/T 25890.6-2010
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Railway applications - Fixed installations - DC switchgear - Part 6: DC switchgear assemblies
WITHDRAWN published on 10.1.2011
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