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Standards GB - Chinese national standards - Page 241
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 12985-1991
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General rules of using percentiles of the body dimensions for products design
Standard published on 8.6.1991
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GB/T 12987-2008
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Concrete hollow floor slab and complete sets for village constructs
Standard published on 18.9.2008
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GB/T 12988-2009
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Test method for abrasion resistance of inorganic paving materials
Standard published on 9.3.2009
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GB/T 1299-2025
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Tool and mould steels
Standard published on 31.10.2025
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GB/T 12990-1991
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Water quality--Microbial community biomonitoring--PFU method
Standard published on 20.8.1991
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GB/T 12991.1-2008
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Information technology - Database languages - SQL - part 1 framework
Standard published on 16.7.2008
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GB/T 12992-1991
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Measuring methods of thermal characteristic for forced air cooling of electronic equipment
Standard published on 19.8.1991
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GB/T 12993-1991
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Thermal performances evaluation for electronic equipment
Standard published on 18.9.1991
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GB/T 12994-2008
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Seed processing machinery - Terminology
Standard published on 9.7.2008
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GB 12995-2006
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Combustion-motor-driven wheelchairs
Standard published on 10.3.2006
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