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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
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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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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Electrical energy measurement and control—Terminology
Execute Date: february 2027
Standard published on 30.7.2026
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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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General technical specification for grid-forming converter
Execute Date: november 2026
Standard published on 30.7.2026
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Registration requirements for industry internet data factors
Execute Date: february 2027
Standard published on 30.7.2026
Selected format:Classification of environmental conditions—Environmental conditions appearing in nature—Temperature and humidity
Standard published on 14.5.2018
Selected format:Classification of environmental conditions—Environmental conditions appearing in nature—Air pressure
Standard published on 29.12.2017
Selected format:Classification of environmental conditions—Environmental conditions appearing in nature—Part 3: Living organisms
Standard published on 25.4.2024
Selected format:Classification of environmental conditions—Environmental conditions appearing in nature—Solar radiation and temperature
Standard published on 10.12.2019
Selected format:Latest update: 2026-08-20 (Number of items: 2 298 325)
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