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Standards GB - Chinese national standards - Page 4938
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 5170.9-2017
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Inspection methods for environmental testing equipments—Part 9Solar radiation testing equipments
Standard published on 29.12.2017
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GB/T 5171.1-2014
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Small power motorsPart 1: General technical requirements
Standard published on 6.5.2014
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GB/T 5171.21-2016
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Small power motors—Part 21: General test methods
Standard published on 29.8.2016
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GB/T 5171.22-2017
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Small-power motors—Part 22:Test methods for permanent magnet brushless DC motors
Standard published on 29.12.2017
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GB 5172-1985
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The rule for radiation protection of particle accelerators
Standard published on 10.5.1985
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GB 5172-2025
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Regulations for radiation safety and protection of particle accelerators
Execute Date: july 2026
Standard published on 2.12.2025
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GB/T 5173-2018
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Surface active agents—Detergents—Determination of anionic-active matter content—Direct two-phase titration procedure
Standard published on 28.12.2018
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GB/T 5174-2018
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Surface active agents—Detergents—Determination of cationic-active matter content—Direct two-phase titration procedure
Standard published on 28.12.2018
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GB/T 5177-2017
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Industrial lineal alkylbenzene
Standard published on 29.12.2017
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GB/T 5178-2008
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Determination of mean relative molecular mass for technical straight-chain sodium alkylbenzenesulfonates - Gas-liquid chromatographic method
Standard published on 30.12.2008
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