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Standards GB - Chinese national standards - Page 8785
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 8352.5-1987
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Test method for coal-tar-creosote--Determination of mobility
WITHDRAWN published on 1.1.1987
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GB 8353-1987
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Feed stock oil for carbon black-coal tar origin
WITHDRAWN published on 1.1.1987
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GB 8354.1-1987
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Test method for feed stock oil for carbon black--Determination of distillation
WITHDRAWN published on 1.1.1987
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GB 8354.2-1987
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Test method for feed stock oil for carbon black--Determination of potassium and sodium (flame photometer method)
WITHDRAWN published on 1.1.1987
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GB 8354.3-1987
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Test method for feed stock oil for carbon black--Determination of toluene-insoluble content
WITHDRAWN published on 1.1.1987
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GB 8354.4-1987
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Test method for feed stock oil for carbon black--Determination of asphaltine (precipitation of n-heptane)
WITHDRAWN published on 1.1.1987
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GB/T 8355-1987
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General technical specifications for marine electrical measurement and control instruments
WITHDRAWN published on 7.12.1987
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GB 8356-1987
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Super calcined bauxite
WITHDRAWN published on 1.1.1987
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GB 8357-1987
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Method of testing of impurity for hard clay and bauxite chamottes
WITHDRAWN published on 1.1.1987
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GB/T 8358-1987
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Method of breaking tensile test for steel wire ropes
WITHDRAWN published on 7.12.1987
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