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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
Specification for the government service on integrative consultation
Standard published on 27.2.2026
Selected format:Inspection rules for atmospheric pressure metal tank of road tank-vehicle for liquid dangerous goods transport
Standard published on 27.2.2026
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Microbeam analysis—Analytical electron microscopy—Method for determining shell thickness of particles with core-shell structure
Execute Date: september 2026
Standard published on 27.2.2026
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Denitration equipment of chemical industrial furnace
Execute Date: september 2026
Standard published on 27.2.2026
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Livestock farming rubber sheets for dairy cattle—Specification
Execute Date: september 2026
Standard published on 27.2.2026
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Microbeam analysis—Analytical electron microscopy—Calibration procedure of energy scale for elemental analysis by electron energy loss spectroscopy
Execute Date: september 2026
Standard published on 27.2.2026
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Microbeam analysis—Quantitative analysis of rare earth minerals by electron probe microanalyzer
Execute Date: september 2026
Standard published on 27.2.2026
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Microbeam analysis—Volume electron microscopy—FIB-SEM imaging method for 3D-structure of biological samples
Execute Date: september 2026
Standard published on 27.2.2026
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Particle—Measurement of specific heat capacity—Adiabatic calorimetry
Execute Date: september 2026
Standard published on 27.2.2026
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Test method of elastic modulus for oil well cement slurry
Execute Date: september 2026
Standard published on 27.2.2026
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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