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Standards GB - Chinese national standards - Page 4285
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 4337-2025
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Metallic materials—Fatigue testing—Rotating bar bending method
Standard published on 29.8.2025
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GB/T 43370-2023
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Technical specification for geo-fence data of civil unmanned aircraft system
Standard published on 27.11.2023
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GB/T 43371-2023
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Safety general requirements for tethered aerostat
Standard published on 27.11.2023
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GB/T 43372-2023
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Space data and information transfer systems—Deep space optical communications physical layer
Standard published on 27.11.2023
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GB/T 43373-2023
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Space data and information transfer systems—Technical requirements for Pseudo-Noise (PN) ranging in deep space TT&C
Standard published on 27.11.2023
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GB/T 43374-2023
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Space data and information transfer systems—Spacecraft information system software architecture
Standard published on 27.11.2023
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GB/T 43375-2023
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Space data and information transfer systems—Encapsulation packet protocol
Standard published on 27.11.2023
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GB/T 43376-2023
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Aerospace—Surface treatment of hardenable stainless steel parts
Standard published on 27.11.2023
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GB/T 43377-2023
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Gaseous breathing oxygen supplies for civil aircraft
Standard published on 27.11.2023
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GB/T 43378-2023
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Nitrogen for use in aircraft
Standard published on 27.11.2023
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