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Standards GB - Chinese national standards - Page 8516
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 7045-2003
WITHDRAWN
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Colour carbon black-Determination of pH value
WITHDRAWN published on 11.10.2003
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GB 7046-1986
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Colour carbon black--Determination of dibutyl phthalate absorption number
WITHDRAWN published on 1.1.1986
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GB/T 7046-1995
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Colour carbon black—Determination of dibutyl phthalate absorption number
WITHDRAWN published on 20.12.1995
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GB/T 7046-2003
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Colour Carbon black—Determination of dibuty1 phthalate absorption number
WITHDRAWN published on 11.10.2003
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GB 7047-1986
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WITHDRAWN published on 1.1.1986
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GB/T 7047-1993
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Colour black—Determination of volatile content
WITHDRAWN published on 3.3.1993
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GB 7048-1986
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WITHDRAWN published on 1.1.1986
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GB/T 7048-1993
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Colour black—Determination of blackness
WITHDRAWN published on 3.3.1993
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GB/T 7048-2003
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Colour carbon black—Determination of blackness
WITHDRAWN published on 11.10.2003
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GB 7049-1986
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WITHDRAWN published on 1.1.1986
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