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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
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WITHDRAWN published on 8.4.2009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WITHDRAWN published on 8.4.2009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WITHDRAWN published on 8.4.2009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WITHDRAWN published on 1.1.1980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WITHDRAWN published on 27.8.1997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WITHDRAWN published on 25.11.2003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:Platinum/niobium clad anode strip for Cathodic Protection
WITHDRAWN published on 8.4.2009
Selected format:Germanium renewable raw materials
WITHDRAWN published on 8.4.2009
Selected format:Determination of germanium content in germanium renewable raw materials
WITHDRAWN published on 8.4.2009
Selected format:Test method of spent petrochemical catalyst—Determination of platinum—Inductively coupled plasma atomic emission spectrometry
WITHDRAWN published on 8.4.2009
Selected format:Latest update: 2026-04-13 (Number of items: 2 271 498)
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