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
Fluid power systems and components—Connectors and associated components—Nominal outside diameters of tubes and nominal inside diameters of hoses
WITHDRAWN published on 11.7.2005
Selected format:Petroleum and natural gas industries—General requirements for offshore structures
WITHDRAWN published on 8.4.2009
Selected format:Petroleum and natural gas industries—Evaluation and testing of thread compounds for use with casing,tubing,and line pipe
WITHDRAWN published on 8.4.2009
Selected format:Chemical analysis methods for nuclear-grade Ag-In-Cd alloys
WITHDRAWN published on 8.4.2009
Selected format:Ruthenium on activated carbon catalyst
WITHDRAWN published on 8.4.2009
Selected format:Palladium on activated carbon catalyst
WITHDRAWN published on 8.4.2009
Selected format:Chlorotri (triphenylphosphine) Rhodium
WITHDRAWN published on 8.4.2009
Selected format:-
WITHDRAWN published on 1.1.1980
Selected format:Hydraulic fluid power—Gas-loaded accumulators with separators—Range of pressures and volumes,characteristic quantities and identification
WITHDRAWN published on 27.8.1997
Selected format:Hydraulic fluid power--Gas-loaded accumulators with separator--Ranges of pressures and volumes and characteristic quantities
WITHDRAWN published on 25.11.2003
Selected format:Latest update: 2026-05-04 (Number of items: 2 275 493)
© Copyright 2026 NORMSERVIS s.r.o.