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Standards GB - Chinese national standards - Page 4624

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 46135.3-2025

Test methods for organic luminescence electronic and hole function material—Part 3Purity

Standard published on 5.10.2025

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GB/T 46136-2025

Chemicals—Determining anaerobic transformation test in liquid manure

Standard published on 29.8.2025

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GB/T 46137-2025

Classification for solar activity level

Standard published on 29.8.2025

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GB/T 46138-2025

Grade of geomagnetic activity

Standard published on 29.8.2025

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GB/T 46139-2025

Core metadata for polar orbiting meteorological satellites

Standard published on 29.8.2025

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GB/T 46140-2025

Chemicals—Water-sediment myriophyllum spicatum toxicity test

Standard published on 29.8.2025

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GB/T 46141-2025

Smart community infrastructures—Application guidance for digitally processed payment in smart transportation

Standard published on 29.8.2025

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GB/T 46142-2025

Smart community infrastructures—Application guidance for QR code in smart transportation

Standard published on 29.8.2025

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GB/T 46143-2025

Security and resilience—Authenticity, integrity and trust for products and documents—Guidelines to establish and monitor a protection plan and its implementation

Standard published on 29.8.2025

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GB/T 46144-2025

Chemicals—Fish cell line acute toxicity—The RTgill-W1 cell line assay

Standard published on 29.8.2025

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