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Standards GB - Chinese national standards - Page 4554
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 45516-2025
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Leather and fur—Chemical tests—Determination of ethylene glycol ethers content
Standard published on 25.4.2025
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GB/T 45517-2025
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Determination of phenol in toys and children""s products—High performance liquid chromatography
Standard published on 25.4.2025
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GB/T 45518-2025
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Textiles—Determination of prohibited or restricted dyestuffs—Liquid chromatography-high resolution mass spectrometry method
Standard published on 25.4.2025
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GB/T 45519-2025
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Textiles—Fiber quantitative analysis—Intelligent identification method using microscope
Standard published on 25.4.2025
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GB/T 45520-2025
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Textiles—Determination of 1-vinylimidazole and 2-methylimidazole
Standard published on 25.4.2025
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GB/T 45521-2025
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Smart community infrastructures—Guidelines on data exchange and sharing for community infrastructures based on geographic information
Standard published on 25.4.2025
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GB/T 45522-2025
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Specifications for registration of surveying and mapping with unmanned aircraft system (UAS)
Standard published on 25.4.2025
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GB/T 45523.1-2025
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Remote handling devices for radioactive materials—Part 1:General requirements
Standard published on 25.4.2025
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GB/T 45523.2-2025
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Remote handling devices for radioactive materials—Part 2:Mechanical master-slave manipulator
Standard published on 25.4.2025
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GB/T 45523.3-2025
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Remote handling devices for radioactive materials—Part 3:Electrical master-slave manipulators
Standard published on 25.4.2025
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