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Standards GB - Chinese national standards - Page 5348
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 7187.2-2026
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Fuel oil consumption for transportation ships—Part 2: Calculation method for inland vessels
Standard published on 30.4.2026
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GB/T 7188-1987
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Office machines and data processing equipment--Keyboard layouts for numeric applications
Standard published on 19.1.1987
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GB/T 7190.1-2018
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Mechanical draft cooling towers—Part 1Medium and small open cooling towers
Standard published on 28.12.2018
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GB/T 7190.1-2018E
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Mechanical draft cooling towers—Part 1:Medium and small open cooling towers
Standard published on 28.12.2018
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GB/T 7190.2-2018
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Mechanical draft cooling towers—Part 2Large open cooling towers
Standard published on 28.12.2018
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GB/T 7190.2-2018E
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Mechanical draft cooling towers—Part 2:Large open cooling towers
Standard published on 28.12.2018
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GB/T 7190.3-2019
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Mechanical draft cooling towers—Part 3Closed circuit cooling towers
Standard published on 30.8.2019
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GB/T 7190.3-2019E
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Mechanical draft cooling towers—Part 3:Closed circuit cooling towers
Standard published on 30.8.2019
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GB/T 7193-2008
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Test methods for unsaturated polyester resins
Standard published on 30.6.2008
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GB/T 7196-2012
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Methods of test for the determination of ionic impurities in electrical insulating materials by extraction with liquids
Standard published on 31.12.2012
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