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Standards GB - Chinese national standards - Page 5737
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 12594-1990
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Working chemical—Potassium bromate
WITHDRAWN published on 18.12.1990
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GB 12595-1990
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Working chemical—Silver nitrate
WITHDRAWN published on 18.12.1990
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GB 12596-1990
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Working chemical—Calcium carbonate
WITHDRAWN published on 18.12.1990
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GB 12597-1990
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Working chemical—Benzoic acid
WITHDRAWN published on 18.12.1990
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GB/T 12598-1990
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Ion exchange resins--Determination for strength--Osmotic-attrited method
WITHDRAWN published on 1.1.1990
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GB/T 12598-2001
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Determination for sphericity of ion exchange resins after attrition or osmotic-attrition
WITHDRAWN published on 28.8.2001
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GB/T 12599-1990
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Metallic coatings--Electroplated coatings of tin
WITHDRAWN published on 1.1.1990
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GBJ 126-1989
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Specifications for construction and acceptance of industrial equipment and pipeline heat insulation
WITHDRAWN published on 27.3.1989
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GB 1260-1990
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Working chemical—Zinc oxide
WITHDRAWN published on 18.12.1990
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GB/T 12600-1990
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Metallic coatings—Electroplated coatings of copper plus nickel plus chromium on plastics materials
WITHDRAWN published on 18.10.1990
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