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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
Destructive tests on welds in metallic materials—Tensile test on cruciform and lapped joints
WITHDRAWN published on 29.9.2011
Selected format:Geometrical Product Specifications(GPS)—Filtration—Part 29:Linear profile filters:Spline wavelets
WITHDRAWN published on 29.9.2011
Selected format:Skeined color jute threads—Technical requirements and grading stipulation
WITHDRAWN published on 19.11.1987
Selected format:Feed machinery—Editorial nominating method for model designation
WITHDRAWN published on 29.9.2011
Selected format:Jute yarns and threads for cables—Technical requirements and grading stipulation
WITHDRAWN published on 19.11.1987
Selected format:Design and manufacture of site built,vertical,cylindrical,flat-bottomed steel tanks for the storage of liquefied natural gases—Part 1:General
WITHDRAWN published on 29.9.2011
Selected format:Design and manufacture of site built,vertical,cylindrical,flat-bottomed steel tanks for the storage of liquefied natural gases—Part 2:Metallic components
WITHDRAWN published on 29.9.2011
Selected format:Design and manufacture of site built,vertical,cylindrical,flat-bottomed steel tanks for the storage of liquefied natural gases—Part 3:Concrete components
WITHDRAWN published on 29.9.2011
Selected format:Design and manufacture of site built,vertical,cylindrical,flat-bottomed steel tanks for the storage of liquefied natural gases—Part 4:Insulation components
WITHDRAWN published on 29.9.2011
Selected format:Design and manufacture of site built,vertical,cylindrical,flat-bottomed steel tanks for the storage of liquefied natural gases—Part 5:Testing,drying,purging and cool-down
WITHDRAWN published on 29.9.2011
Selected format:Latest update: 2025-05-18 (Number of items: 2 200 933)
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