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Standards GB - Chinese national standards - Page 5334
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 7403.1-2018
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Lead-acid traction batteries—Part 1Technical conditions
Standard published on 28.12.2018
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GB/T 7403.2-2018
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Lead-acid traction batteries—Part 2Product types and specifications
Standard published on 28.12.2018
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GB/T 7404.1-2013
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Lead-acid battery for locomotives and rolling stock - Part 1: Valve-regulate lead acid for electric and subway locomotives
Standard published on 19.7.2013
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GB/T 7404.2-2013
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Lead-acid battery for locomotives and rolling stock - Part 2Valve regulated lead-acid for diesel locomotives
Standard published on 19.7.2013
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GB/T 7407-2024
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Codes for China and world main shipping ports and other locations
Standard published on 23.8.2024
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GB/T 7408.1-2023
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Date and time—Representations for information interchange—Part 1: Basic rules
Standard published on 28.12.2023
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GB/T 7408.2-2025
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Date and time—Representation for information interchange—Part 2:Extensions
Standard published on 31.10.2025
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GB/T 7409.1-2024
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Excitation systems for synchronous machines—Part 1: Definitions
Standard published on 23.8.2024
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GB/T 7409.2-2020
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Excitation systems for synchronous machines—Part 2 Models for power system studies
Standard published on 2.6.2020
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GB/T 7409.3-2007
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Excitation system for synchronous electrical machines - Technical requirements of excitation system for large and medium synchronous generators
Standard published on 16.1.2007
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