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
Testing methods for large cylindrical pick-up baler
WITHDRAWN published on 17.4.1993
Selected format:Round baler
WITHDRAWN published on 10.6.2008
Selected format:Welded steel pipe for mine liquid service
WITHDRAWN published on 19.4.1993
Selected format:Welded steel tubes for mine liquid service
WITHDRAWN published on 5.2.2006
Selected format:Central-station air handling units
WITHDRAWN published on 24.4.1993
Selected format:Air filter
WITHDRAWN published on 24.4.1993
Selected format:Air filters
WITHDRAWN published on 4.11.2008
Selected format:Air cooling and air heating coils
WITHDRAWN published on 24.4.1993
Selected format:Boring bars for indexable inserts
WITHDRAWN published on 17.4.1993
Selected format:Helical end milling cutters with indexable inserts
WITHDRAWN published on 17.4.1993
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
© Copyright 2026 NORMSERVIS s.r.o.