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Standards GB - Chinese national standards - Page 5299
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 9127-2017
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Tuassah silk fabrics
Standard published on 12.5.2017
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GB/T 9128.1-2023
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Metallic ring joint gaskets for steel pipe flanges—Part 1PN designated
Standard published on 7.9.2023
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GB/T 9128.2-2023
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Metallic ring joint gaskets for steel pipe flanges—Part 2Class designated
Standard published on 7.9.2023
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GB/T 913-2012
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Mercury
Standard published on 11.5.2012
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GB 9132-1988
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Regulations for shallow ground disposal of solid low-and intermediate-level radioactive wastes
Standard published on 19.4.1988
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GB 9132-2018
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Regulations for shallow ground disposal of solid low-and intermediate-level radioactive wastes
Standard published on 10.7.2018
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GB/T 9138-2015
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Rebound test hammer
Standard published on 15.5.2015
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GB/T 9139-2018
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Earth-moving machinery—Hydraulic excavators—Technical specifications
Standard published on 17.9.2018
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GB/T 9142-2021
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Building construction machinery and equipment—Concrete mixer
Standard published on 11.10.2021
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GB/T 9143-2021
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Commercial coal quality—Coal for fixed-bed gasification
Standard published on 31.12.2021
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