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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
Technical requirements for green procurement, storage and packaging of steel industry products
Execute Date: february 2027
Standard published on 30.7.2026
Selected format:The type designation for lasers
Standard published on 30.12.2011
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Isobutene-isoprene rubber (IIR)—Evaluation procedure
Execute Date: february 2027
Standard published on 30.7.2026
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Thermal insulation—Heat transfer conditions and properties of materials—Vocabulary
Execute Date: february 2027
Standard published on 30.7.2026
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Steel—Order of chemical elements in standards
Execute Date: february 2027
Standard published on 30.7.2026
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Rubber bands—General requirements and test methods
Execute Date: february 2027
Standard published on 30.7.2026
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Terminology for urban landscaping
Execute Date: february 2027
Standard published on 30.7.2026
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Wrought superalloy—Welding electrode wires and rods
Execute Date: february 2027
Standard published on 30.7.2026
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Composite roll
Execute Date: february 2027
Standard published on 30.7.2026
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Flexible cellular polymeric materials—Determination of antibacterial effectiveness
Execute Date: february 2027
Standard published on 30.7.2026
Selected format:Latest update: 2026-11-02 (Number of items: 2 209 038)
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