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Standards GB - Chinese national standards - Page 4538
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 45405-2025
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Three dimensional product data visualization application format
Standard published on 28.3.2025
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GB/T 45406-2025
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Security technical requirements for critical network devices—Programmable logic controller(PLC)
Standard published on 28.3.2025
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GB/T 45407-2025
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Information technology—Cyberspace map
Standard published on 28.3.2025
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GB/T 45408-2025
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Information technology—Big data for ecological environment—Data classification and code
Standard published on 28.3.2025
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GB/T 45409-2025
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Cybersecurity technology—Technical specifications for operation and maintenance security management products
Standard published on 28.3.2025
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GB/T 4541-2023
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Position-indicating lights for life-saving appliances of marine
Standard published on 27.11.2023
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GB/T 45410.1-2025
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Optics and photonics—Test methods for telescopic systems—Part 1: Basic characteristics
Standard published on 28.3.2025
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GB/T 45410.2-2025
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Optics and photonics—Test methods for telescopic systems—Part 2: Binoculars
Standard published on 28.3.2025
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GB/T 45410.3-2025
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Optics and photonics—Test methods for telescopic systems—Part 3:Telescopic sights
Standard published on 28.3.2025
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GB/T 45410.5-2026
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Optics and photonics—Test methods for telescopic systems—Part 5: Transmittance
Standard published on 30.4.2026
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