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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
Video and image analysis system for public security—Part 2:Technical requirements for analysis and description of video and image content
Standard published on 5.10.2025
Selected format:Video and image analysis system for public security—Part 3:Technical requirements for video and image enhancement
Standard published on 5.10.2025
Selected format:Video and image analysis system for public security—Part 4:Technical requirements for video and image retrieval
Standard published on 5.10.2025
Selected format:Video and image analysis system for public security—Part 5:Testing specifications
Standard published on 5.10.2025
Selected format:Artificial intelligence—Interface of deep learning compiler
Standard published on 5.10.2025
Selected format:Artificial intelligence—Computing center—Computing capability assessment
Standard published on 5.10.2025
Selected format:Artificial intelligence—Risk management capability assessment
Standard published on 5.10.2025
Selected format:Information technology—Learning, education and training—Function requirements for mobile learning terminals
Standard published on 5.10.2025
Selected format:Fibre optic fixed filters—Part 1: Generic specification
Standard published on 5.10.2025
Selected format:Image area produced by camera aperture on 35mm motion-picture film--Position and dimensions
Standard published on 17.10.2000
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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