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Standards GB - Chinese national standards - Page 4683
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 46578-2025
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Basic requirements for the capacity of earthquake rescue team
Standard published on 31.10.2025
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GB/T 46579-2025
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Remote-sensing satellites long-term series historical data retrospective process—General rules
Standard published on 31.10.2025
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GB/T 4658-2006
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Codes for record of formal schooling
Standard published on 9.10.2006
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GB/T 46580-2025
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Test method for air-purification performance of photocatalytic materials and products—Removal of formaldehyde
Standard published on 31.10.2025
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GB/T 46581-2025
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Road vehicles—Brake lining friction materials—Test method for brake wear particle emission
Standard published on 31.10.2025
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GB/T 46582-2025
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Petroleum and natural gas industries—Subsurface completion barrier valves and related tools
Standard published on 31.10.2025
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GB/T 46583-2025
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Test methods for dielectric properties of microwave dielectric ceramics—Open cavity method and closed cavity method
Standard published on 31.10.2025
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GB/T 46584-2025
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Fine ceramics interface—Test method for tensile and shear fatigue properties at room temperature under constant amplitude—Crossed method
Standard published on 31.10.2025
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GB/T 46585-2025
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Thermal insulating products for building applications—Determination of linear dimensions of test specimens
Standard published on 31.10.2025
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GB/T 46586-2025
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Fine ceramics—Measurement of viscosity of ceramic slurry—Rotational viscometer method
Standard published on 31.10.2025
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