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Standards GB - Chinese national standards - Page 4526
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 45300-2025
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Turmeric
Standard published on 28.2.2025
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GB/T 45301-2025
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The classification and reference architecture of cloud platform for service robot
Standard published on 28.2.2025
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GB/T 45302-2025
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Black caraway and blond caraway
Standard published on 28.2.2025
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GB/T 45303-2025
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Dehydrated tarragon
Standard published on 28.2.2025
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GB/T 45304-2025
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Dried parsley
Standard published on 28.2.2025
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GB/T 45305.2-2025
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Acoustics—Laboratory measurement of sound insulation of building elements—Part 2: Measurement of airborne sound insulation
Standard published on 1.8.2025
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GB/T 45305.3-2026
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Acoustics—Laboratory measurement of sound insulation of building elements—Part 3:Measurement of impact sound insulation
Standard published on 28.1.2026
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GB/T 45305.4-2025
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Acoustics—Laboratory measurement of sound insulation of building elements—Part 4 : Measurement procedures and requirements
Standard published on 28.2.2025
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GB/T 45305.5-2026
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Acoustics—Laboratory measurement of sound insulation of building elements—Part 5: Requirements for test facilities and equipment
Standard published on 28.1.2026
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GB/T 45306-2025
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Railway applications—Power supply with onboard energy storage system for rolling stock—Series hybrid system
Standard published on 28.2.2025
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