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Standards GB - Chinese national standards - Page 7337
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 27894.1-2011
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Natural gas—Determination of composition with defined uncertainty by gas chromatogramphy—Part 1:Guidelines for tailored analysis
WITHDRAWN published on 30.12.2011
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GB/T 27894.2-2011
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Natural gas—Determination of composition with defined uncertainty by gas chromatography—Part 2:Measuring-system characteristics and statistics for processing of data
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GB/T 27894.3-2011
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Natrual gas—Determination of composition with defined uncertainty by gas chromatography—Part 3:Determination of hydrogen,helium,oxyen,nitrogen,carbon dioxide and hydrocarbons up to C8 using two packed columns
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GB/T 27896-2011
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Test method for water vapor content of natural gas using—Electronic moisture analyzers
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GB 279-1988
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Rolling bearings--Deep groove ball bearings with seals--Boundary dimensions
WITHDRAWN published on 1.1.1988
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GB 2790-1981
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Adhesives--The method for determination of<180-degree peel strength (metal to metal)
WITHDRAWN published on 1.1.1981
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GB/Z 27907-2011
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Quality management—Customer satisfaction—Guidelines for monitoring and measuring
WITHDRAWN published on 30.12.2011
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GB/T 27908-2011
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Performance improvement of management systems—Guidelines for procedures and methodology for continual improvement
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GB 2791-1981
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Adhesives--The method for determination of T-peel strength (metal to metal)
WITHDRAWN published on 1.1.1981
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GB/T 27910-2011
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Financial services - Information security guidelines
WITHDRAWN published on 30.12.2011
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