Standards GB - Chinese national standards - Page 4654

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

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GB/T 47197-2026

Foundry machinery—Cupola furnaces and associated equipment related to melting process—Safety technical specifications
Execute Date: september 2026

Standard published on 27.2.2026

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GB/T 47198-2026

Textile machinery and accessories—Flatbed knitting machines—Vocabulary
Execute Date: november 2026

Standard published on 30.4.2026

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GB/T 47199-2026

Assay method of hexokinase activity and purity

Standard published on 27.2.2026

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GB/T 47200-2026

Copper-bearing intrauterine contraceptive devices—Guidance on the design, execution, analysis and interpretation of clinical studies
Execute Date: march 2027

Standard published on 27.2.2026

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GB/T 47201-2026

Assay method of calf intestinal alkaline phosphatase activity and purity

Standard published on 27.2.2026

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