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Standards GB - Chinese national standards - Page 8435
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 6684-1986
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Chemical reagents--Hydrogen peroxide
WITHDRAWN published on 13.8.1986
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GB/T 6685-1986
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Chemical reagents—Hydroxylammonium chloride
WITHDRAWN published on 13.8.1986
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GB/T 6686-1986
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Classification of colours
WITHDRAWN published on 13.8.1986
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GB/T 6687-1986
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Glossary of dyestuff terms
WITHDRAWN published on 13.8.1986
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GB/T 6688-1986
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Determination of relative strength of dyes (Instrumental method)
WITHDRAWN published on 13.8.1986
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GB/T 6689-1986
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Determination of colour difference of dyes (Instrumental method)
WITHDRAWN published on 13.8.1986
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GB 669-1977
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WITHDRAWN published on 1.1.1977
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GB/T 669-1994
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Chemical reagent—Strontium nitrate
WITHDRAWN published on 23.3.1994
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GB/T 6690-1986
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Analytical method of content for monocrotophos
WITHDRAWN published on 13.8.1986
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GB/T 6691-1986
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Resin finishing agent—Testing method for refractive index
WITHDRAWN published on 13.8.1986
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