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Standards GB - Chinese national standards - Page 888
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 18135-2008
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Electrotechnical engineering drawings rules of CAD
Standard published on 18.6.2008
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GB/T 18136-2008
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AC high voltage electrostatic shielding clothing and test procedure
Standard published on 24.9.2008
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GB/T 18139.1-2000
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Information technology--General structure for the interchange of code values--Part 1:Identification of coding schemes
Standard published on 14.7.2000
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GB/T 18139.2-2000
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Information technology--General structure for the interchange of code values--Part 2:Registration of coding schemes
Standard published on 14.7.2000
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GB/T 1814-1979
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Inspection method for steel work fractures
Standard published on 29.12.1979
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GB/T 18140-2000
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Information technology--Data interchange on 130 mm optical disk cartridges--Capacity:1 gigabyte per cartridge
Standard published on 14.7.2000
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GB/T 18141-2000
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Information technology--Information interchange on 130 mm optical disk cartridges using themagneto-optical effectfor write onceread multiple functionality
Standard published on 14.7.2000
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GB/T 18142-2017
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Information technology—Representation of data elements valuesNotation of the format
Standard published on 1.11.2017
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GB/T 18143-2011
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Ophthalmic instruments - Trial frames
Standard published on 31.10.2011
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GB/T 18144-2008
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Test method for measurement of stress in glass
Standard published on 15.10.2008
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