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Standards GB - Chinese national standards - Page 967
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/Z 18620.4-2008
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Cylindrical gears—Code of inspection practice—Part 4: Recommendations relative to surface texture and tooth contact pattern checking
Standard published on 31.3.2008
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GB/Z 18620.5-2025
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Code of inspection practice—Part 5:Recommendations relative to evaluation of gear measuring instruments
Standard published on 3.12.2025
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GB/Z 18620.6-2025
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Code of inspection practice—Part 6:Bevel gear measurement methods
Standard published on 3.12.2025
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GB/T 18623-2011
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Product of geographical indication - Zhenjiang vinegar
Standard published on 12.5.2011
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GB/T 18624-2007
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Product of geographical indication - Shuijingfang liquor
Standard published on 19.9.2007
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GB/T 18625-2002
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Method for simple determination of organophosphorus and carbamate pesticide residues in tea (enzyme inhibition method)
Standard published on 28.1.2002
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GB/T 18626-2002
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Method for simple determination of organophosphorus and carbamate pesticide residues in meat (enzyme inhibition method)
Standard published on 28.1.2002
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GB/T 18627-2002
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Method for determination of schradan residues in food
Standard published on 28.1.2002
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GB/T 18628-2002
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Method for determination of perthane residues in food
Standard published on 28.1.2002
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GB/T 18629-2002
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Method for determination of prometryne residues in food
Standard published on 28.1.2002
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