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
Determination of ammoniacal nitrogen content in ammonium hydrogen carbonate and ammonia water--Acidimetric method
WITHDRAWN published on 1.1.1983
Selected format:Bonded abrasive products--Grinding wheel dimensions--Threaded insert disks
WITHDRAWN published on 1.1.1983
Selected format:Measuring method for pH of abrasive grains
WITHDRAWN published on 1.1.1983
Selected format:Safety operation regulation of port dangerous cargo container in terminal stacking yard
WITHDRAWN published on 15.3.2018
Selected format:Measuring method for bulk density of abrasive grains
WITHDRAWN published on 1.1.1983
Selected format:Measuring method for density of abrasive grains
WITHDRAWN published on 1.1.1983
Selected format:Evaluation specifications of electricity regulatory
WITHDRAWN published on 15.3.2018
Selected format:Measuring method for capillarity of abrasive grains
WITHDRAWN published on 1.1.1983
Selected format:Biogas furnace of family
WITHDRAWN published on 1.1.1983
Selected format:Domestic biogas stove
WITHDRAWN published on 12.11.2001
Selected format:Latest update: 2026-01-20 (Number of items: 2 257 233)
© Copyright 2026 NORMSERVIS s.r.o.