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Standards GB - Chinese national standards - Page 4863
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 47897.1-2026
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Determination of thermal adhesion for dipped cords and yarns—Part 1:U extraction method
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47898.1-2026
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Manganese oresSamplingPart 1:Increment Sampling
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47899-2026
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Test methods for organic solvent nanofiltration membrane
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 479-2016
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Determination of plastometric indices of bituminous coal
Standard published on 13.12.2016
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GB/T 47900-2026
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Sintered polymer microporous membrane element
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47901-2026
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Gallium arsenide substrates for laser epitaxial chips
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47902-2026
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Polished single-crystal diamond wafers
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47903-2026
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Plastics—Determination of metal content in polyethylene(PE) and polypropylene(PP)—Inductively coupled plasma optical emission spectrometry
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47904-2026
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Continuous-fibre-reinforced ceramic composites—Test method for in-plane shear strength at ambient temperature—V-notched beam test
Execute Date: february 2027
Standard published on 2.7.2026
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