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Standards GB - Chinese national standards - Page 122
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 11464-2013
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Terminology for electronic measuring instruments
Standard published on 31.12.2013
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GB/T 11469-2013
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General specification for radio altimeters
Standard published on 31.12.2013
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GB/T 1147.1-2017
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Small and medium power internal combustion engines—Part 1: General requirements
Standard published on 28.2.2017
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GB/T 1147.1-2025
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Small and medium power internal combustion engines—Part 1: General technical specifications
Execute Date: may 2026
Standard published on 31.10.2025
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GB/T 1147.2-2017
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Small and medium power internal combustion engines—Part 2: Test methods
Standard published on 28.2.2017
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GB/T 1147.2-2025
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Small and medium power internal combustion engines—Part 2:Test methods
Execute Date: may 2026
Standard published on 31.10.2025
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GB/T 1148-2024
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Internal combustion engines—Aluminium pistons
Standard published on 29.9.2024
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GB/T 1149.1-2008
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Internal combustion engines - Piston rings - Part 1: General specifications
Standard published on 11.8.2008
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GB/T 1149.10-2013
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Internal combustion engines-Piston ringsPart 10: Keystone rings made of steel
Standard published on 31.12.2013
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GB/T 1149.11-2023
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Internal combustion engines—Piston rings—Part 11: Half keystone rings made of cast iron
Standard published on 28.12.2023
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