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Standards GB - Chinese national standards - Page 4729
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 4909.6-2009
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Test methods for bare wires - Part 6: Bend test - Single bend test
Standard published on 19.3.2009
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GB/T 4909.7-2009
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Test methods for bare wires - Part 7: Mandrel winding test
Standard published on 19.3.2009
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GB/T 4909.8-2009
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Test methods for bare wires - Part 8: Hardness test - Brinell hardness test
Standard published on 19.3.2009
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GB/T 4909.9-2009
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Test methods for bare wires - Part 9: Test for continuity of coating - Sodium polysulfide solution method
Standard published on 19.3.2009
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GB/T 491-2008
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Calcium lubricating grease
Standard published on 23.6.2008
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GB/T 4910-2022
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Tinned round copper wire
Standard published on 11.7.2022
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GB 4914-2008
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Effluent limitations for pollutants from offshore petroleum exploration and production
Standard published on 19.10.2008
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GB 4915-2013
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Emission standard of air pollutants for cement industry
Standard published on 31.12.2013
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GB/T 492-1989
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Sodium base lubricating grease
Standard published on 31.3.1989
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GB/T 4920-1985
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Determination of sulphuric acidmist in tail gas in sulphuric acid concentration process--Barium chromate colorimetric method
Standard published on 18.1.1985
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