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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
Zinc-coated steel wires for stranded conductors
WITHDRAWN published on 31.12.2012
Selected format:Carbon steel wire rods for welding electrodes
WITHDRAWN published on 1.1.1982
Selected format:Wire rods for electrode
WITHDRAWN published on 13.6.1994
Selected format:Wire rod for electrode
WITHDRAWN published on 19.11.2002
Selected format:Wire rods for welding
WITHDRAWN published on 10.12.2015
Selected format:Low carbon steel wire for general uses
WITHDRAWN published on 1.1.1982
Selected format:Low carbon steel wire for general uses
WITHDRAWN published on 22.12.1994
Selected format:The rule of type designation for semiconductor integrated circuits
WITHDRAWN published on 31.3.1989
Selected format:Letter symbols for semiconductor integrated circuits--Letter symbols for characteristics
WITHDRAWN published on 1.1.1982
Selected format:Series and products for TTL semiconductor integrated circuits!*Products of series 54/74
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2026-07-14 (Number of items: 2 286 733)
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