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Standards GB - Chinese national standards - Page 7333
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 27748.2-2013
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Stationary fuel cell power systems—Part 2:Performance test methods
WITHDRAWN published on 12.11.2013
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GB/T 27748.3-2011
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Stationary fuel cell power system—Part 3:Installation
WITHDRAWN published on 30.12.2011
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GB 2775-1981
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WITHDRAWN published on 1.1.1981
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GB/T 2775-1993
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Dimensions of spindle ends for manually operated electronic components
WITHDRAWN published on 18.3.1993
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GB 2776-1981
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Types and dimensions of single-hole mounted spindle sleeve for electronic components
WITHDRAWN published on 1.1.1981
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GB/T 2777-1992
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Power take-off safety shield for agricultural tractors Types dimensions and strength specifications
WITHDRAWN published on 14.11.1992
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GB/T 27772-2011
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Criteria for vector density control - Fly
WITHDRAWN published on 30.12.2011
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GB 2778-1981
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WITHDRAWN published on 1.1.1981
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GB/T 2778-1992
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Power take-off pulley for agricultural tractors—Peripheral speed and width
WITHDRAWN published on 14.11.1992
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GB/T 27788-2011
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Microbeam analysis—Scanning electron microscopy—Guidelines for calibrating image magnification
WITHDRAWN published on 30.12.2011
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