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Standards GB - Chinese national standards - Page 476
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 14999.7-2010
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Test methods for grain sizesprimary dendrite spacing and microshrinkage of superalloy castings
Standard published on 23.12.2010
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GB/T 15-2013
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Mushroom head nib bolts
Standard published on 9.6.2013
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GB/Z 150-2025
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Guide for magnetizing behaviour of permanent magnets
Standard published on 3.12.2025
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GB/T 150.1-2024
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Pressure vessels—Part 1: General requirements
Standard published on 24.7.2024
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GB/T 150.2-2024
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Pressure vessels—Part 2Materials
Standard published on 24.7.2024
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GB/T 150.3-2024
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Pressure vessels—Part 3: Design
Standard published on 24.7.2024
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GB/T 150.4-2024
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Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance
Standard published on 24.7.2024
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GB/T 15000.1-1994
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Directives forthe work of reference materials(1)--General rules for description of reference materials in technical standards
Standard published on 11.3.1994
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GB/T 15000.2-2019
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Directives for the work of reference materials—Part 2Selected terms and definitions
Standard published on 10.12.2019
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