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Standards GB - Chinese national standards - Page 4623
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 46083-2025
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Additive manufacturing—Technical specification for multi-laser beam powder bed fusion equipment
Standard published on 29.8.2025
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GB/T 46084-2025
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Technical specifications of flame-temperature image detection for coal-fired boiler
Standard published on 29.8.2025
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GB/T 46085-2025
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Specifications of tethered gas balloon
Standard published on 29.8.2025
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GB/T 46086-2025
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Fully-wrapped glass fibre reinforced composite cylinder with a high-density polyethylene liner for the storage of liquefied petroleum gas
Standard published on 29.8.2025
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GB/T 46087.1-2025
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Test for shop primers in relation to welding and allied processes—Part 1: General requirements
Standard published on 29.8.2025
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GB/T 46087.2-2025
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Test for shop primers in relation to welding and allied processes—Part 2: Welding properties of shop primers
Standard published on 29.8.2025
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GB/T 46087.3-2025
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Test for shop primers in relation to welding and allied processes—Part 3: Thermal cutting
Standard published on 29.8.2025
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GB/T 46087.4-2025
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Test for shop primers in relation to welding and allied processes—Part 4: Emission of fumes and gases
Standard published on 29.8.2025
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GB/T 46088-2025
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Non-destructive testing—Visual testing method of long material
Standard published on 29.8.2025
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GB/T 46089.1-2025
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Conveyor machinery—Inspection and maintenance specifications—Part 1:Belt conveyors
Standard published on 29.8.2025
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