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Standards GB - Chinese national standards - Page 4690
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 46639.2-2025
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Foundry machinery—Vocabulary—Part 2: Molding and coremaking machines and other equipment related to non-permanent mold casting process
Standard published on 31.10.2025
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GB/T 46639.3-2025
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Foundry machinery—Vocabulary—Part 3Die casting machines and other equipment related to permanent mold casting process
Standard published on 31.10.2025
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GB/T 46639.4-2025
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Foundry machinery—Vocabulary—Part 4: Abrasive blasting machines and other equipment related to cleaning and finishing for casting
Standard published on 31.10.2025
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GB/T 46639.5-2025
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Foundry machinery—Vocabulary—Part 5: Cupola furnaces and pouring devices and ladles
Standard published on 31.10.2025
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GB/T 46640-2025
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Portable chain-saw hand-guards—Mechanical strength
Standard published on 31.10.2025
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GB/T 46641-2025
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Portable chain-saws—Minimum handle clearance and sizes
Standard published on 31.10.2025
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GB/T 46642-2025
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Self-propelled machinery for forestry—Falling-object protective structures(FOPS)—Laboratory tests and performance requirements
Standard published on 31.10.2025
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GB/T 46643-2025
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Portable chain-saws—Determination of balance and maximum holding moment
Standard published on 31.10.2025
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GB/T 46644-2025
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Method for radius determination of printing cylinders
Standard published on 31.10.2025
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GB/T 46645-2025
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Portable brush-cutters and grass-trimmers—Cutting attachment guard strength
Standard published on 31.10.2025
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