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Standards GB - Chinese national standards - Page 6172
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 15079.7-1994
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Molybdenum concentrates—Determination of calcium content
WITHDRAWN published on 11.5.1994
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GB/T 15079.8-1994
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Molybdenum concentrates—Determination of tungsten content
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GB/T 15079.9-1994
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Molybdenum concentrates—Determination of bismuth content
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GB/T 1508-1979
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Method for determination of total iron content in manganese ores
WITHDRAWN published on 28.2.1979
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GB/T 15080.1-1994
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Antimony concentrates—Determination of antimony content
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GB/T 15080.2-1994
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Antimony concentrates—Determination of arsenic content
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GB/T 15080.3-1994
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Antimony concentrates—Determination of lead content
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GB/T 15080.4-1994
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Antimony concentrates—Determination of hygroscopic moisture
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GB/T 15080.5-1994
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Antimony concentrates—Determination of zinc content
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GB/T 15080.6-1994
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Antimony concentrates—Determination of selenium content
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