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Standards GB - Chinese national standards - Page 4871
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 4796-2017
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Classification of environmental conditions—Environmental parameters and their severities
Standard published on 29.12.2017
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GB/T 4796.1-2017
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Classification of environmental conditions—Part 1: Environmental parameters and their severities
Standard published on 29.12.2017
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GB/T 47960-2026
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Satellite navigation and positioning sounding system—Method for upper-air wind direction and speed observation
Execute Date: february 2027
Standard published on 30.7.2026
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GB/T 47961-2026
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Communication protocol between station control system and charging and discharging equipment for electric commercial vehicles battery swap station
Execute Date: february 2027
Standard published on 30.7.2026
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GB/T 47962-2026
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Guide for the application, specification and testing of phase-shifting transformers
Execute Date: february 2027
Standard published on 30.7.2026
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GB/T 47963-2026
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Technical requirements of AC exciter for synchronous generators
Execute Date: february 2027
Standard published on 30.7.2026
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GB/T 47964-2026
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Hydraulic machines, radial and axial—Methodology for performance transposition from model to prototype
Execute Date: february 2027
Standard published on 30.7.2026
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GB/T 47965-2026
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Measurement of internal electric field in insulating materials—Pressure wave propagation method
Execute Date: february 2027
Standard published on 30.7.2026
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GB/T 47966-2026
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Electrical energy measurement and control—Terminology
Execute Date: february 2027
Standard published on 30.7.2026
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GB/T 47967-2026
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Communication protocol between station control system and battery swap system for electric commercial vehicle battery swap station
Execute Date: february 2027
Standard published on 30.7.2026
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