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Standards GB - Chinese national standards - Page 5111
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 7256.4-2023
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Lighting fixtures for civil airport—Part 4:Wind direction indicator
Standard published on 28.12.2023
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GB/T 7256.5-2023
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Lighting fixtures for civil airport—Part 5: Aeronautical beacon
Standard published on 28.12.2023
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GB/T 7257-2013
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Measurement methods of parameter for helium-neon laser
Standard published on 17.12.2013
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GB 7258-2017
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Technical specifications for safety of power-driven vehicles operating on roads
Standard published on 29.9.2017
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GB/T 7259-1987
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Guidelines for presenting performance of analog process measurement and control instrument
Standard published on 16.2.1987
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GB/T 726-1994
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Reciprocating internal combustion engines--Designation of the direction of rotation and of cylinders and valves in cylinder heads and definition of right-hand and left-hand in line engines and locations on an engine
Standard published on 27.12.1994
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GB/T 7260.1-2023
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Uninterruptible power systems (UPS)—Part 1: Safety requirements
Standard published on 28.12.2023
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GB/T 7260.2-2009
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Uninterruptible power systems (UPS) - Part 2: Electromagnetic compatibility (EMC) requirements
Standard published on 6.5.2009
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GB/T 7260.2-2026
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Uninterruptible power systems (UPS)—Part 2: Electromagnetic compatibility (EMC) requirements
Execute Date: october 2026
Standard published on 31.3.2026
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GB/T 7260.3-2003
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Uninterruptiblepower systems(UPS)--Part 3:Method of specifying the performance and test requirements
Standard published on 21.2.2003
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