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Standards GB - Chinese national standards - Page 6118
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 14837-1993
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Rubber and rubber products—Determination of composition by thermogravimetry
WITHDRAWN published on 30.12.1993
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GB/T 14838-1993
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Rubber and rubber products—Determination of precision for test method standards
WITHDRAWN published on 30.12.1993
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GB/T 1484-1979
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Gauges for bayonet lamp caps
WITHDRAWN published on 2.2.1979
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GB/T 14840-1993
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Chemical analysis of limestons for free silica
WITHDRAWN published on 30.12.1993
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GB/T 14841-1993
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Tantalum and tantalum alloy rods and bars
WITHDRAWN published on 24.12.1993
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GB/T 14842-1993
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Niobium rods and bars
WITHDRAWN published on 24.12.1993
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GB/T 14843-1993
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Lithium niobate single crystals
WITHDRAWN published on 24.12.1993
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GB/T 14844-1993
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Designations of semiconductor materials
WITHDRAWN published on 24.12.1993
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GB/T 14845-1993
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Titanium sheet for plate heat exchangers
WITHDRAWN published on 24.12.1993
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GB/T 14846-1993
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Wrought aluminium and aluminium alloy extruded profiles—Tolerances on dimensions and shape
WITHDRAWN published on 24.12.1993
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