We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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
Indoor fire hydrant
WITHDRAWN published on 30.12.1993
Selected format:Indoor fire hydrant
WITHDRAWN published on 14.9.2005
Selected format:Siamese connection
WITHDRAWN published on 24.9.1993
Selected format:The analytical rule for ascharite ores
WITHDRAWN published on 1.1.1982
Selected format:Methods for the sampling and sample preparation of ascharite ores
WITHDRAWN published on 1.1.1982
Selected format:Analytical method for boric anhydride contents in ascharite ores
WITHDRAWN published on 1.1.1982
Selected format:Analytical method for total iron contents in ascharite ores
WITHDRAWN published on 1.1.1982
Selected format:Analytical method for ferrous oxide contents in ascharite ores
WITHDRAWN published on 1.1.1982
Selected format:Analytical methods for calcium and magnesium oxides contents in ascharite ores
WITHDRAWN published on 1.1.1982
Selected format:Analytical method for insoluble matter contents in ascharite ores
WITHDRAWN published on 1.1.1982
Selected format:Latest update: 2026-01-22 (Number of items: 2 257 357)
© Copyright 2026 NORMSERVIS s.r.o.