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GB - Chinese national standards - Page 4662

Standards GB - Chinese national standards - Page 4662

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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Preview GB/T 46452-2025 5.10.2025
GB/T 46452-2025

Purity and enzymatic activity determination of nitrile hydratase

Standard published on 5.10.2025

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334.80 USD


in 3 working days
Preview GB/T 46453-2025 5.10.2025
GB/T 46453-2025

General principles for evaluation of food traceability system

Standard published on 5.10.2025

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526.80 USD


in 4 working days
Preview GB/T 46454-2025 5.10.2025
GB/T 46454-2025

Clinical laboratory testing and in vitro diagnostic test systems—Broth micro-dilution reference method for testing the in vitro activity of antimicrobial agents against yeast fungi involved in infectious diseases

Standard published on 5.10.2025

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520.80 USD


in 4 working days
Preview GB/T 46455-2025 5.10.2025
GB/T 46455-2025

Information technology—Interconnection of information technology equipment—Evaluation parameter system and methods of smart home system

Standard published on 5.10.2025

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334.80 USD


in 3 working days
Preview GB/T 46456.1-2025 5.10.2025
GB/T 46456.1-2025

Interconnection of information technology equipment—Interconnection and intercommunication of smart home—Part 1: Architecture and general requirements

Standard published on 5.10.2025

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334.80 USD


in 3 working days
Preview GB/T 46456.2-2025 5.10.2025
GB/T 46456.2-2025

Interconnection of information technology equipment—Interconnection and intercommunication of smart home—Part 2: Test method

Standard published on 5.10.2025

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electronic design (pdf) (622.80 USD)


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622.80 USD


in 5 working days
Preview GB/T 46456.3-2025 5.10.2025
GB/T 46456.3-2025

Interconnection of information technology equipment—Interconnection and intercommunication of smart home—Part 3: General requirements for local interconnection

Standard published on 5.10.2025

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334.80 USD


in 3 working days
Preview GB/T 46457.1-2025 5.10.2025
GB/T 46457.1-2025

Internet of things—470MHz/2.4GHz frequency band sensor network communication and information exchange—Part 1: Physical layer requirements and link layer protocols

Standard published on 5.10.2025

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electronic design (pdf) (1294.80 USD)


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1 294.80 USD


in 7 working days
Preview GB/T 46458-2025 5.10.2025
GB/T 46458-2025

Requirements and test methods for performance of navigation antenna for BeiDou navigation satellite system

Standard published on 5.10.2025

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910.80 USD


in 6 working days
Preview GB/T 46459-2025 5.10.2025
GB/T 46459-2025

Performance requirements and test methods for BeiDou radio frequency and baseband integrated module

Standard published on 5.10.2025

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electronic design (pdf) (1102.80 USD)


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1 102.80 USD


in 7 working days

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