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
Management of CAD documents--Basic format
Standard published on 11.8.1999
Selected format:Management of CAD documents--Numbering principles
Standard published on 11.8.1999
Selected format:Management of CAD documents--Compiling rules
Standard published on 11.8.1999
Selected format:Management of CAD documents--Basic procedure
Standard published on 11.8.1999
Selected format:Management of CAD documents--Changing rules
Standard published on 11.8.1999
Selected format:Management of CAD documents--Signature rules
Standard published on 11.8.1999
Selected format:Management of CAD documents--Standardizationexamination
Standard published on 11.8.1999
Selected format:Management of CAD documents--Integrity
Standard published on 11.8.1999
Selected format:Butadiene for industrial use--Determination of peroxides--Titrimetric method
Standard published on 10.8.1999
Selected format:Polyethoxylated fatty alcohols
Standard published on 12.8.1999
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
© Copyright 2026 NORMSERVIS s.r.o.