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
Photographic grade sodium thiosulfate, crystilline
WITHDRAWN published on 1.1.1989
Selected format:Photographic grade hydroquinone
WITHDRAWN published on 1.1.1989
Selected format:Photographic grade potassium carbonate anhydrous
WITHDRAWN published on 1.1.1989
Selected format:Photographic grade boric acid
WITHDRAWN published on 1.1.1989
Selected format:Photographic grade sodium tetraborate, decahydrous (borax)
WITHDRAWN published on 1.1.1989
Selected format:Photographic grade sodium carbonate monohydrous
WITHDRAWN published on 1.1.1989
Selected format:Music wire
WITHDRAWN published on 1.1.1989
Selected format:High tensile steels for round link chains for mines—Technical requirements
WITHDRAWN published on 22.3.1989
Selected format:High tensile steels of round link chains for mines
WITHDRAWN published on 19.8.2008
Selected format:Steel—Determination of content of non-metallic inclusion—Micrographic method using standard diagrams
WITHDRAWN published on 22.3.1989
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
© Copyright 2026 NORMSERVIS s.r.o.