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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
Automated liquid handling systems—Part 1: Vocabulary and general requirements
Execute Date: february 2027
Standard published on 1.1.2026
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Textiles—Tests for colour fastness—Colour fastness of printing to damp heat
Execute Date: february 2027
Standard published on 2.7.2026
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Textiles—Testing and evaluation for fabric touch sensation—Rotor blade method
Execute Date: february 2027
Standard published on 2.7.2026
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Textiles—Determination of photoinitiator 907 and photoinitiator 369
Execute Date: february 2027
Standard published on 2.7.2026
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Textiles—Qualitative analysis of some bast fibres(flax, hemp, ramie) and their blends—Microscopy methods
Execute Date: february 2027
Standard published on 2.7.2026
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Textiles—Quantitative microscopical analysis—General principles of testing
Execute Date: february 2027
Standard published on 2.7.2026
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Textiles—Test method for accelerated hydrolysis of textile materials and biodegradation under controlled composting conditions of the resulting hydrolysate
Execute Date: february 2027
Standard published on 2.7.2026
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Household and similar electrical toilets—Methods for measuring the performance
Execute Date: february 2027
Standard published on 30.7.2026
Selected format:Electricity metering—Payment systems—Part 21:Framework for standardization
Standard published on 30.7.2026
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Electricity metering—Payment systems—Part 31:Particular requirements—Static payment meters for active energy (classes 0.5, 1 and 2)
Execute Date: february 2027
Standard published on 30.7.2026
Selected format:Latest update: 2026-11-05 (Number of items: 2 209 078)
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