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Standards GB - Chinese national standards - Page 6223
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 1543-1988
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Paper--Determination of opacity (paper backing)
WITHDRAWN published on 29.3.1988
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GB/T 15431-1995
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Generic specification for microcircuit modules
WITHDRAWN published on 6.1.1995
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GB/T 15433-1995
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Ambient air--Determination of the fluoride--Method by lime-paper sampling and fluorine ion-selective electrode analysis
WITHDRAWN published on 4.1.1995
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GB/T 15434-1995
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Ambient air--Determination of the mass concentration of fluoride--Method by filter sampling andfluorine ion-selective electrode analysis
WITHDRAWN published on 4.1.1995
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GB/T 15435-1995
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Ambient air--Determination of nitrogen dioxide--Saltzman method
WITHDRAWN published on 4.1.1995
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GB/T 15436-1995
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Ambient air--Determination of nitrogen oxides--Saltzman method
WITHDRAWN published on 4.1.1995
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GB/T 15437-1995
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Ambient air--Determination of ozone--Indigo disulphonate spectrophotometry
WITHDRAWN published on 4.1.1995
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GB/T 15438-1995
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Ambient air--Determination of ozone--Ultraviolet photometric method
WITHDRAWN published on 4.1.1995
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GB/T 15439-1995
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Air quality--Determination of benzapyrene in ambient air--High performance liquid chromatography
WITHDRAWN published on 4.1.1995
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GB 15442.1-1995
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Classification and test methods for fire retardancy of finishing fire retardant paints Classification for fire retardancy
WITHDRAWN published on 9.1.1995
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