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Standards GB - Chinese national standards - Page 943
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 18443.2-2010
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Testing method of performance for vacuum insulation cryogenic equipment - Part 2Vacuum degree measurement
Standard published on 26.9.2010
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GB/T 18443.3-2010
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Testing method of performance for vacuum insulation cryogenic equipment - Part 3: Leak rate measurement
Standard published on 26.9.2010
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GB/T 18443.4-2010
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Testing method of performance for vacuum insulation cryogenic equipment - Part 4: Leak-outgassing rate measurement
Standard published on 26.9.2010
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GB/T 18443.5-2010
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Testing method of performance for vacuum insulation cryogenic equipment - Part 5: Static evaporation rate measurement
Standard published on 26.9.2010
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GB/T 18443.6-2010
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Testing method of performance for vacuum insulation cryogenic equipment - Part 6: Heat-leak rate measurement
Standard published on 26.9.2010
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GB/T 18443.7-2010
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Testing method of performance for vacuum insulation cryogenic equipment - Part 7: Holding time measurement
Standard published on 26.9.2010
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GB/T 18443.8-2010
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Testing method of performance for vacuum insulation cryogenic equipment - Part 8: Volume measurement
Standard published on 26.9.2010
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GB/T 18444-2025
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Imaging materials—Processed safety photographic films—Storage practices
Standard published on 1.8.2025
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GB/T 18445-2025
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Cementitious capillary crystalline waterproofing materials
Standard published on 30.6.2025
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GB/T 18446-2009
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Binders for paints and varnishes - Determination of monomeric diisocyanates in isocyanate resins
Standard published on 2.6.2009
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