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Standards GB - Chinese national standards - Page 6145
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 14949.11-1994
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Manganese ores—Determination of carbon dioxide content
WITHDRAWN published on 18.1.1994
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GB/T 14949.12-1994
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Manganese ores—Determination of combined water content
WITHDRAWN published on 18.1.1994
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GB/T 14949.2-1994
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Manganese ore—Determination of nickel content
WITHDRAWN published on 18.1.1994
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GB/T 14949.5-1994
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Manganese ores—Determination of titanium content
WITHDRAWN published on 18.1.1994
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GB/T 14949.6-1994
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Manganese ores—Determination of copper,lead and zinc contents
WITHDRAWN published on 18.1.1994
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GB/T 14949.7-1994
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Manganese ores—Determination of sodium and potassium contents
WITHDRAWN published on 18.1.1994
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GB/T 14949.8-1994
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Manganese ores—Determination of hygroscopic moisture content in analytical samples
WITHDRAWN published on 18.1.1994
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GB 1495-1979
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Permissible noise limit emitted by power-driven vehicles
WITHDRAWN published on 2.2.1979
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GB/T 14950-1994
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Photogrammetry and remote sensing terms
WITHDRAWN published on 11.4.1994
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GB/T 14951-1994
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Measurement method of fuel saving technology for automobiles
WITHDRAWN published on 7.4.1994
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