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Standards GB - Chinese national standards - Page 51
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 10611-2003
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Industrial screens--Designation and nominal sizes of apertures
Standard published on 10.11.2003
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GB/T 10612-2003
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Industrial plate screens--Thickness below 3 mm--Round and square holes
Standard published on 10.11.2003
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GB/T 10613-2003
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Industrial plate screens--Thickness of 3 mm and above--Round and square holes
Standard published on 10.11.2003
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GB/T 10614-2008
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Resilient coupling with core element
Standard published on 27.9.2008
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GB 10617-2005
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Food additive—Sucrose fatly acid ester (method of propylene glycol)
Standard published on 30.6.2005
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GB/T 10623-2008
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Metallic material - Mechanical testing - Vocabulary
Standard published on 13.5.2008
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GB/T 10628-2008
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Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures
Standard published on 15.5.2008
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GB/T 10629-2009
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Textiles - Preparation of laboratory test samples and test specimens for chemical testing
Standard published on 15.6.2009
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GB/T 10630-1997
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Geological terms and their classificationand codes of radioactive mineral resources
Standard published on 16.12.1997
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GB 10631-2025
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Fireworks—Safety and quality
Standard published on 31.10.2025
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