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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
Generic specification for microcomputers
WITHDRAWN published on 17.10.2000
Selected format:Generic specification for vector plotters
WITHDRAWN published on 20.9.1988
Selected format:Fuses for domestic and similar purposes
WITHDRAWN published on 1.1.1988
Selected format:Fuses for domestic and similar purposes
WITHDRAWN published on 21.1.1998
Selected format:Thermal-links-Requirements and application guide
WITHDRAWN published on 24.8.1998
Selected format:Thermal-links—Requirements and application guide
WITHDRAWN published on 24.4.2008
Selected format:Thermal-links—Part 1:Requirements and application guide
WITHDRAWN published on 31.12.2013
Selected format:Line type bottler with 4 pumps
WITHDRAWN published on 1.1.1988
Selected format:The test method of clock and watch jewel elements
WITHDRAWN published on 1.1.1988
Selected format:Fundamental dimension series for lever escapement
WITHDRAWN published on 1.1.1988
Selected format:Latest update: 2025-12-16 (Number of items: 2 252 193)
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