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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
Leather—Physical and mechanical tests—Determination of resistance to grain cracking and grain crack index
Execute Date: february 2027
Standard published on 2.7.2026
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Automated liquid handling systems—Part 1: Vocabulary and general requirements
Execute Date: february 2027
Standard published on 2.7.2026
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Automated liquid handling systems—Part 2: Measurement procedures for the determination of volumetric performance
Execute Date: february 2027
Standard published on 2.7.2026
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Automated liquid handling systems—Part 3: Determination, specification and reporting of volumetric performance
Execute Date: february 2027
Standard published on 2.7.2026
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Leather—Physical and mechanical tests—Determination of water absorptioncapillary action
Execute Date: february 2027
Standard published on 2.7.2026
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Leather and fur—Chemical tests—Determination of the content of bisphenols
Execute Date: february 2027
Standard published on 2.7.2026
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Casing types and fitting dimensions of watch movements
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:General requirements for safety and emergency publicity and education experiential base
Standard published on 2.7.2026
Selected format:Guidelines for the construction of age-friendly service of government service platform
Standard published on 2.7.2026
Selected format:Drain cover pad for dangerous goods spillage
Standard published on 2.7.2026
Selected format:Latest update: 2026-11-05 (Number of items: 2 209 078)
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