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Standards GB - Chinese national standards - Page 213
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 12626.6-2015
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Hard fibreboard—Part 6: General purpose boards for use in high-humid conditions
Standard published on 3.7.2015
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GB/T 12626.7-2015
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Hard fibreboard—Part 7General purpose boards for use in exterior conditions
Standard published on 3.7.2015
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GB/T 12626.8-2015
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Hard fibreboard—Part 8: Load bearing boards for use in dry conditions
Standard published on 3.7.2015
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GB/T 12626.9-2015
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Hard fibreboard—Part 9: Load bearing boards for use in humid conditions
Standard published on 3.7.2015
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GB/T 12627-1990
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Generic specification for flexible disk drive
Standard published on 28.12.1990
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GB/T 12628-2008
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General specification for hard disk drive
Standard published on 18.7.2008
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GB/T 1263-2006
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Chemical reagent - Disodium hydrogen phosphate dodecahydrate
Standard published on 1.9.2006
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GB/T 12630-1990
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Thin epoxide woven glass fabric copper-clad laminated sheet general purpose grade for use in the fabrication of multilayer printed boards
Standard published on 28.12.1990
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GB/T 12631-2017
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Test method for resistance of conductor of printed boards
Standard published on 31.5.2017
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GB/T 12633-1990
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Terms for the measurements of the properties of the piezoelectric crystals
Standard published on 28.12.1990
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