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Standards GB - Chinese national standards - Page 4637
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 46191-2025
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Electronic grade pentakisdimethylamidetantalum
Standard published on 5.10.2025
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GB/T 46192.1-2025
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Test methods for liquid crystal alignment layers—Part 1:Physical and chemical properties
Standard published on 5.10.2025
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GB/T 46192.2-2025
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Test methods for liquid crystal alignment layers—Part 2:Film properties
Standard published on 5.10.2025
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GB/T 46192.3-2025
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Test methods for liquid crystal alignment layers—Part 3:Optical and electrical properties
Standard published on 5.10.2025
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GB/T 46193-2025
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Technical requirements for vertical cylindrical molten salt storage tank
Standard published on 5.10.2025
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GB/T 46194-2025
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Road vehicles—Cybersecurity engineering
Standard published on 5.10.2025
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GB/T 46195-2025
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Space environment—International reference ionosphere(IRI) model and extensions to the plasmasphere
Standard published on 5.10.2025
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GB/T 46196-2025
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Technical specifications for log production of white jelly fungus
Standard published on 5.10.2025
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GB/T 46197.1-2025
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Plastics—PolyetheretherketonePEEKmoulding and extrusion materials—Part 1:Designation system and basis for specifications
Standard published on 29.8.2025
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GB/T 46197.2-2025
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Plastics—PolyetheretherketonePEEKmoulding and extrusion materials—Part 2: Preparation of test specimens and determination of properties
Standard published on 29.8.2025
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