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Standards GB - Chinese national standards - Page 4276
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 43307-2023
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Fine ceramic fibers—Determination of tensile properties of filaments at room temperature
Standard published on 27.11.2023
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GB/T 43308-2023
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Glass fibre reinforced thermoplastic unidirectional prepregs
Standard published on 27.11.2023
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GB/T 43309-2023
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Determination of chemical elements in glass fiber and its raw materials—X-ray fluorescence spectrometry
Standard published on 27.11.2023
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GB/T 4331-2024
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Agricultural trailer—Test methods
Standard published on 25.4.2024
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GB/T 43310-2023
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Determination of chemical elements in glass fiber and raw materials—Inductively coupled plasma optical emission spectrometry (ICP-OES)
Standard published on 27.11.2023
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GB/T 43311-2023
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Design method for ductile iron pipes
Standard published on 27.11.2023
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GB/T 43312-2023
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Steel wire ropes for medical devices
Standard published on 27.11.2023
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GB/T 43313-2023
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Test method for surface quality and micropipe density of polished silicon carbide wafers—Confocal and differential interferometry optics
Standard published on 27.11.2023
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GB/T 43314-2023
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Silicone rubber—Determination of phenyl and vinyl content—1H-NMR method
Standard published on 27.11.2023
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GB/T 43315-2023
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Test method for flow pattern defects in silicon wafer—Etching technique
Standard published on 27.11.2023
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