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Standards GB - Chinese national standards - Page 4234
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 43080.5-2025
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Fans—Efficiency classification for fans—Part 5: Jet fans
Standard published on 31.10.2025
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GB/T 43081-2023
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Lamps and light sources for road vehicles—Dimensional, electrical and luminous requirements
Standard published on 27.11.2023
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GB/Z 43082-2023
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General specification of lunar and planetary in-situ exploration camera
Standard published on 27.11.2023
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GB/T 43083-2023
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Self-cleaning coated glass for solar photovoltaic and solar-thermal generation
Standard published on 7.9.2023
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GB/T 43084.1-2023
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Plastics—Fluoropolymer dispersions and moulding and extrusion materials—Part 1: Designation system and basis for specifications
Standard published on 7.9.2023
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GB/T 43084.2-2023
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Plastics—Fluoropolymer dispersions and moulding and extrusion materials—Part 2: Preparation of test specimens and determination of properties
Standard published on 7.9.2023
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GB/T 43085-2023
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Plastics—Polymer dispersions—Determination of the content of free formaldehyde
Standard published on 7.9.2023
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GB/T 43086-2023
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Plastics—Polymer dispersions—Determination of sieve residue
Standard published on 7.9.2023
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GB/T 43087-2023
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Microbeam analysis—Analytical electron microscopy—Method for the determination of interface position in the cross-sectional image of the layered materials
Standard published on 7.9.2023
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GB/T 43088-2023
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Microbeam analysis—Analytical electron microscopy—Measurement of the dislocation density in thin metals
Standard published on 7.9.2023
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