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Standards GB - Chinese national standards - Page 140
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 11828.4-2025
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Instruments for stage measurement—Part 4:Ultrasonic stage recorder
Standard published on 28.2.2025
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GB/T 11828.5-2011
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Instruments for stage measurement - Part 5: Electronic gauge
Standard published on 30.12.2011
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GB/T 11828.6-2008
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Instruments for stage measurement - Part 6Remote measuring stage gauge
Standard published on 9.4.2008
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GB/T 11833-2014
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Determination of steady-state thermal transmission properties of thermal insulationSpherical method
Standard published on 24.6.2014
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GB/T 11834-2023
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Friction linings for industrial and agricultural machines
Standard published on 28.12.2023
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GB/T 11835-2016
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Rock wool, slag wool and it""s products for thermal insulation
Standard published on 13.10.2016
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GB/T 11836-2023
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Concrete and reinforced concrete sewer pipes
Standard published on 17.3.2023
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GB/T 11837-2009
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Test methods of the concrete compressive strength of concrete pipes for water
Standard published on 9.3.2009
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GB/T 11839-2008
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Determination of boron in uranium dioxide pellets by curcumin extraction spectrophotometric method
Standard published on 19.6.2008
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GB/T 1184-1996
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Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
Standard published on 18.12.1996
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