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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
General principles for performance evaluation of quantitative real-time polymerase chain reaction analyzer
Standard published on 23.5.2023
Selected format:General rules for performance evaluation of dry chemistry analyzer
Standard published on 23.5.2023
Selected format:Artificial intelligence—Code of practice for data labeling of machine learning
Standard published on 23.5.2023
Selected format:Cards and security devices for personal identification—Contactless proximity objects—Part 1: Physical characteristics
Standard published on 23.5.2023
Selected format:Cards and security devices for personal identification—Contactless proximity objects—Part 2: Radio frequency power and signal interface
Standard published on 23.5.2023
Selected format:Cards and security devices for personal identification—Contactless proximity objects—Part 3: Initialization and anticollision
Standard published on 23.5.2023
Selected format:Cards and security devices for personal identification—Contactless proximity objects—Part 4:Transmission protocol
Standard published on 23.5.2023
Selected format:Evaluation index system and calculation method of intelligent manufacturing level
Standard published on 23.5.2023
Selected format:Advanced sound system for programme production
Standard published on 23.5.2023
Selected format:Smart city—Classification guide for application scenarios of artificial intelligence technology
Standard published on 23.5.2023
Selected format:Latest update: 2026-09-22 (Number of items: 2 302 417)
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