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Standards GB - Chinese national standards - Page 5297
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 861.2-1987
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Serrated lock washers internal teeth
Standard published on 5.2.1987
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GB/T 8618-2021
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Sampling methods of the main products in salt making industry
Standard published on 31.12.2021
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GB/T 862.1-1987
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Lock washers external teeth
Standard published on 5.2.1987
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GB/T 862.2-1987
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Serrated lock washers external teeth
Standard published on 5.2.1987
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GB/T 8622-2006
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Determination of urease activity in soya bean products for feeds
Standard published on 9.6.2006
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GB/T 8623-1988
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Metal tube far infraed heater
Standard published on 6.2.1988
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GB 8624-2012
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Classification for burning behavior of building materials and products
Standard published on 31.12.2012
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GB 8624-2025
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Classification for burning behavior of building materials and products
Execute Date: january 2027
Standard published on 31.12.2025
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GB/T 8625-2005
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Test method of difficult-flammability for building materials
Standard published on 15.7.2005
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GB/T 8625-2026
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Test method of difficult-flammability for building material
Execute Date: october 2026
Standard published on 31.3.2026
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