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Standards GB - Chinese national standards - Page 4579
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 45788.2-2025
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Quality requirements for resistance welding of metallic—Part 2: Elementary quality requirements
Standard published on 30.5.2025
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GB/T 45789-2025
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Crop protection equipment—Droplet-size spectra from atomizers—Measurement and classification
Standard published on 30.5.2025
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GB/T 45790.1-2025
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Geographic information—XML schema implementation—Part 1: Encoding rules
Standard published on 30.5.2025
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GB/T 45791-2025
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General technical specification for public safety monitoring of urban infrastructure
Standard published on 30.5.2025
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GB/T 45792-2025
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Thematic map—Compilation specification for geographic base map
Standard published on 30.5.2025
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GB/T 45793-2025
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Urban public facilities—Urban furniture—Guidelines for system planning and design
Standard published on 30.5.2025
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GB/T 45794-2025
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Urban public facilities—Urban furniture—Guidelines for system maintenance and management
Standard published on 30.5.2025
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GB/T 45795-2025
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Determination of PM10/PM2.5 mass concentration in atmosphere—Light scattering method
Standard published on 30.5.2025
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GB/T 45796-2025
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Method for air negative ion concentration observation—Capacitance inhalation
Standard published on 30.5.2025
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GB/T 45797-2025
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Road vehicles—Low-voltage electrical system performance requirements and test methods
Standard published on 1.8.2025
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