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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
Test methods for electrochemical propertiesof sacrificial anodes
WITHDRAWN published on 31.8.1999
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WITHDRAWN published on 1.1.1979
Selected format:Preparation of steel substrates before application of paints and related products—Specifications for non-metallic blast-cleaning abrasives—General introduction and classification
WITHDRAWN published on 13.9.2002
Selected format:Geometrical tolerancing—Datums and datum system
WITHDRAWN published on 3.9.1999
Selected format:Geometrical Product Specifications(GPS)—Geometrical tolerancing—Datums and datum system
WITHDRAWN published on 10.1.2011
Selected format:Geometrical tolerancing—Tolerancing of profile
WITHDRAWN published on 3.9.1999
Selected format:Stainless steel flux cored wires
WITHDRAWN published on 3.9.1999
Selected format:Stainless steel electrodes and fluxs for submerged arc welding
WITHDRAWN published on 3.9.1999
Selected format:Calculation of load capacity of spline
WITHDRAWN published on 3.9.1999
Selected format:Packaging—Sacks—Vocabulary and types—Paper sacks
WITHDRAWN published on 7.9.1999
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 285)
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