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Standards GB - Chinese national standards - Page 5039
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 50683-2011
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Code for acceptance of field equipmemt,industrial pipe welding construction quality
Standard published on 18.2.2011
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GB 50684-2011
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Code for design of wastewater treatment and reuse in chemical industry
Standard published on 2.4.2011
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GB 50685-2011
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Code for design of pure water system of electronic industry
Standard published on 12.5.2011
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GB 50686-2011
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Code for construction and acceptance of infectious diseases hospitals
Standard published on 26.7.2011
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GB 50687-2011
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Architectural and technical code for cleanroom in food industry
Standard published on 2.4.2011
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GB 50688-2011
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Code for design of urban road traffic facility
Standard published on 12.5.2011
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GB 50689-2011
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Code for design of lightning protection and earthing engineering for telecommunication bureaus(stations)
Standard published on 2.4.2011
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GB/T 5069-2024
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Chemical analysis of magnesia-alumina refractories
Standard published on 23.8.2024
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GB 50690-2011
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Code for construction quality acceptance of non-metallic piping engineering in petrochemical engineering
Standard published on 26.7.2011
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GB/T 50691-2011
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Standard for Compiling the design documents of oil and gas field surface construction projects
Standard published on 2.4.2011
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