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Standards GB - Chinese national standards - Page 272
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 13285-1999
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Physical protection for safety-related systems and components in nuclear power plants
Standard published on 13.9.1999
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GB/T 13286-2021
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Criteria for independence of class 1E equipment and circuits in nuclear power plants
Standard published on 31.12.2021
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GB/T 13287-1991
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Liquefied petroleum gases--Determination of volatility
Standard published on 9.12.1991
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GB/T 13288.1-2008
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Preparation of steel substrates before application of paints and related products-Surface roughness characteristics of blast-cleaned substrates - Part 1: Specifications and definitions for ISO surface profile comparators for the assessment of abrasive blast-cleaned surfaces
Standard published on 1.4.2008
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GB/T 13288.2-2011
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Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned substrates - Part 2: Method for the grading of surface profile of abrasive blast-cleaned steel - Comparator procedure
Standard published on 30.12.2011
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GB/T 13288.3-2009
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Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned steel substrates - Part 3: Method for the calibration of ISO surface profile comparators and for the determination of surface profile - Focusing microscope procedure
Standard published on 9.3.2009
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GB/T 13288.4-2013
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Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned substrates - Part 4: Method for the calibration of ISO surface profile comparator and for the determination of surface profi - Stylus instrument procedure
Standard published on 19.7.2013
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GB/T 13288.5-2009
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Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned steel substrates - Part 5: Replica tape method for the determination of the surface profile
Standard published on 9.3.2009
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GB/T 13289-2014
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Ethylene for industrial useSampling in the liquid and the gaseous phase
Standard published on 8.7.2014
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GB/T 13290-2014
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Propylene and butadiene for industrial useSampling in the liquid phase
Standard published on 8.7.2014
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