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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
Analogue quartz watches
WITHDRAWN published on 26.9.2005
Selected format:Analogue quartz clocks
WITHDRAWN published on 29.8.1992
Selected format:Analogue quartz clocks
WITHDRAWN published on 5.12.2007
Selected format:Analogue quartz clocks for vehicles
WITHDRAWN published on 1.1.1985
Selected format:Digital quartz watches
WITHDRAWN published on 1.1.1985
Selected format:Testing methods for the digital quartz watches
WITHDRAWN published on 1.1.1985
Selected format:Chemical reagent—General method for the measurement of colour(in Hazen units)
WITHDRAWN published on 5.9.1988
Selected format:Digital quartz stop watches
WITHDRAWN published on 1.1.1985
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Commerial liquid carbon dioxide
WITHDRAWN published on 26.8.1993
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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