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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
Information technology - Chinese ideogram coded character set (basic set) - 48 dot matrix font - Part 2:Hei Ti
Standard published on 6.8.2008
Selected format:Information technology - Chinese ideogram coded character set (basic set) - 48 dot matrix font - Part 3:Kai Ti
Standard published on 6.8.2008
Selected format:Information technology - Chinese ideogram coded character set (basic set) - 48 dot matrix font - Part 4:Fangsong Ti
Standard published on 6.8.2008
Selected format:Specification of marine explosion-proof light
Standard published on 24.9.2003
Selected format:Information processing--Uighur coded graphic character sets for information interchange
Standard published on 29.12.1989
Selected format:Korean character coded character set for information interchange
Standard published on 29.12.1989
Selected format:Alphanumeric character sets for optical recognition--Part 1:Character set OCR-A--Shapes and dimensions of the printed image
Standard published on 29.12.1989
Selected format:Data processing--Procedure for registration of escape sequences
Standard published on 29.12.1989
Selected format:Information processing--Magnetic tape cassette and cartridge labelling and file structurefor information interchange
Standard published on 29.12.1989
Selected format:General purpose 37-position and 9-position interface for data terminal equipment and data circuit-terminating equipment employing serial binary data interchange
Standard published on 29.12.1989
Selected format:Latest update: 2025-12-29 (Number of items: 2 253 390)
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