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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
Cerium doped gadolinium gallium aluminum garnet polycrystal scintillator arrays
Standard published on 28.1.2026
Selected format:Technical specification for blockchain-based data sharing of rare earth permanent magnet materials
Standard published on 28.1.2026
Selected format:Platform on standard digitalization—Part 1: System architecture
Standard published on 28.1.2026
Selected format:Standard content modularization—Part 1: General technical requirements for master structure and configuration
Standard published on 28.1.2026
Selected format:Industrial communication networks—Fieldbus specifications—Type 2 elements: EtherNet/IP, ControlNet and DeviceNet specifications—Part 1: Data-link layer service definition
Standard published on 28.1.2026
Selected format:Industrial communication networks—Fieldbus specifications—Type 2 elements: EtherNet/IP,ControlNet and DeviceNet specifications—Part 2: Data-link layer protocol specification
Standard published on 28.1.2026
Selected format:Industrial communication networks—Fieldbus specifications—Type 2 elements: EtherNet/IP,ControlNet and DeviceNet specifications—Part 3: Applicatoin layer service definition
Standard published on 28.1.2026
Selected format:Industrial communication networks—Fieldbus specifications—Type 2 elements: EtherNet/IP, ControlNet and DeviceNet specifications—Part 4: Applicatoin layer protocol specification
Standard published on 28.1.2026
Selected format:Digital cameras—Image flare measurement
Standard published on 28.1.2026
Selected format:Physical and electrical control interfaces for ultra high definition lens
Standard published on 28.1.2026
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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