Standards GB - Chinese national standards - Page 4663

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 46460-2025

Specifications of lithium ion cells and batteries used in unmanned aerial vehicles

Standard published on 5.10.2025

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GB/T 46461.1-2025

Information service system of vessel""s emergency positioning based on global navigation satellite systemGNSS—Part 1: Functional description

Standard published on 5.10.2025

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GB/T 46461.2-2025

Information service system of vessel’s emergency positioning based on global navigation satellite systemGNSS—Part 2: Information protocol for emergency position indicating radio beacon and emergency rescue centre

Standard published on 5.10.2025

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GB/T 46461.3-2025

Information service system of vessel’s emergency positioning based on global navigation satellite systemGNSS—Part 3: Performance requirements and test methods for emergency position indicating radio beacon

Standard published on 5.10.2025

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in 8 working days

GB/T 46462-2025

Technical requirements on communication security of 5G mobile communication network

Standard published on 31.10.2025

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