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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
Phosphor G16 for double-decker screen indicator tubes
WITHDRAWN published on 30.12.1988
Selected format:Phosphor Y10 for oscilloscope tubes and image display tubes
WITHDRAWN published on 30.12.1988
Selected format:General technical specifications for marine pneumatic measurement and control instruments
WITHDRAWN published on 27.12.1988
Selected format:Test procedure for three-phase induction motors
WITHDRAWN published on 23.8.1985
Selected format:Test procedures for three-phase induction motors
WITHDRAWN published on 19.9.2005
Selected format:Test procedures for three-phase induction motors
WITHDRAWN published on 29.6.2012
Selected format:Electrical safety of laser equipment and installations
WITHDRAWN published on 24.7.1995
Selected format:Fluorspar fines
WITHDRAWN published on 1.1.1988
Selected format:-
WITHDRAWN published on 1.1.1988
Selected format:Iron ores—Sampling and sample preparation procedures
WITHDRAWN published on 5.6.2000
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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