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Standards GB - Chinese national standards - Page 6677
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 18311.31-2007
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Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 3-31:Examinations and measurements—Coupled power ratio measurement for fibre optic sources
WITHDRAWN published on 29.6.2007
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GB/T 18312-2001
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The inspection rule for binoculars
WITHDRAWN published on 5.1.2001
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GB/T 18314-2001
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Specifications for global positioning system (GPS) surveys
WITHDRAWN published on 5.3.2001
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GB/T 18314-2009
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Specifications for global positioning system(GPS) surveys
WITHDRAWN published on 6.2.2009
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GB/T 18315-2001
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Series and basic requirements of digital topographic maps
WITHDRAWN published on 5.3.2001
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GB/T 18316-2001
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Specifications for inspection, acceptance and quality assessment of digital surveying and mapping products
WITHDRAWN published on 5.3.2001
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GB/T 18317-2001
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Classify and codes for the thematic map information
WITHDRAWN published on 5.3.2001
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GB/T 18318-2001
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Textiles—Determination of bending length of fabrics
WITHDRAWN published on 26.2.2001
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GB/T 18319-2001
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Textiles—Testing method for thermal retention with accumulated by infrared ray
WITHDRAWN published on 26.2.2001
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GB/T 1832-1979
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Determination of magnesium oxide content in tin concentrates--Xylidyl blue photometric method
WITHDRAWN published on 29.12.1979
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