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GB - Chinese national standards - Page 4546

Standards GB - Chinese national standards - Page 4546

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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Preview GB/T 45505.1-2025 1.8.2025
GB/T 45505.1-2025

Test method of flat panel display glass substrate—Part 1: Appearance and geometric dimensions

Standard published on 1.8.2025

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Preview GB/T 45505.2-2025 1.8.2025
GB/T 45505.2-2025

Test method of flat panel display glass substrate—Part 2: Surface properties

Standard published on 1.8.2025

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Preview GB/T 45505.3-2025 1.8.2025
GB/T 45505.3-2025

Test method of flat panel display glass substrate—Part 3:Thermal properties

Standard published on 1.8.2025

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Preview GB/T 45505.4-2025 25.4.2025
GB/T 45505.4-2025

Test methods of flat panel display glass substrate—Part 4Mechanical properties

Standard published on 25.4.2025

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Preview GB/T 45505.5-2025 1.8.2025
GB/T 45505.5-2025

Test method of flat panel display glass substrate—Part 5: Photoelectric performance

Standard published on 1.8.2025

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Preview GB/T 45506-2025 25.4.2025
GB/T 45506-2025

Residual resistance ratio measurement—Residual resistance ratio of cavity-grade Nb superconductors

Standard published on 25.4.2025

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in 5 working days
Preview GB/T 45507-2025 28.3.2025
GB/T 45507-2025

Intelligent service—Performance evaluation method of predictive maintenance

Standard published on 28.3.2025

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in 4 working days
Preview GB/T 45508-2025 28.3.2025
GB/T 45508-2025

Machine readable standards capability classification model and assessment

Standard published on 28.3.2025

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Preview GB/T 45509-2025 28.3.2025
GB/T 45509-2025

Industrial robots—Dynamic stability test methods

Standard published on 28.3.2025

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Preview GB/T 45510-2025 28.3.2025
GB/T 45510-2025

General requirements for edge intelligent instruments

Standard published on 28.3.2025

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