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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
Abrasive products—Segmented saws for machining of stone and masonry cutting—Dimensions of steel blades
WITHDRAWN published on 5.7.1996
Selected format:Blanks for superabrasive cutting-off wheels—Dimensions—Part 1:Manually guided cutting-off in building and civil engineering
WITHDRAWN published on 23.4.2009
Selected format:Blanks for superabrasive cutting-off wheels—Dimensions—Part 2:Hand-held cutting-off in building and civil engineering
WITHDRAWN published on 23.4.2009
Selected format:Terminology for abrasives and abrasive products
WITHDRAWN published on 23.4.2009
Selected format:Terminology for abrasives and abrasive products—Part 1:Terminology for abrasive
WITHDRAWN published on 5.7.1996
Selected format:Terminology for abrasives and abrasive products—Part 2:Terminology for abrasive products
WITHDRAWN published on 5.7.1996
Selected format:Tool life testing in face milling
WITHDRAWN published on 5.7.1996
Selected format:2-Naphthol
WITHDRAWN published on 1.1.1989
Selected format:2-Naphthol
WITHDRAWN published on 18.1.1994
Selected format:2-Naphthol
WITHDRAWN published on 9.10.2003
Selected format:Latest update: 2025-09-17 (Number of items: 2 234 360)
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