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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
Boiled bristles for export
WITHDRAWN published on 23.9.1987
Selected format:The method of inspection for export bristles
WITHDRAWN published on 23.9.1987
Selected format:Reed mat
WITHDRAWN published on 23.9.1987
Selected format:Low voltage tester
WITHDRAWN published on 15.10.1987
Selected format:Cheese head screws with cross recess
WITHDRAWN published on 26.9.2000
Selected format:Methods for chemical analysis of bismuth—Determination of copper content—Bis-acetaldehyde-oxalydihydrazone photometric method
WITHDRAWN published on 19.8.1998
Selected format:Methods for chemical analysis of bismuth—Determination of tin content—Coprecipitation with beryllium-photometric method
WITHDRAWN published on 19.8.1998
Selected format:Methods for chemical analysis of bismuth—Determination of mercury content—Cold vapour atomic absorption spectrometric method
WITHDRAWN published on 19.8.1998
Selected format:Methods for chemical analysis of bismuth—Determination of nickel content—Electrothermal atomic absorption spectrometric method
WITHDRAWN published on 19.8.1998
Selected format:Methods for chemical analysis of bismuth—Determination of silver and cadmium content—Electrothermal atomic absorption spectrometric method
WITHDRAWN published on 19.8.1998
Selected format:Latest update: 2025-07-03 (Number of items: 2 207 355)
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