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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
Cutters for woodruff keyseats
WITHDRAWN published on 13.11.1997
Selected format:Woodruff keyseat cutters
WITHDRAWN published on 26.7.2007
Selected format:Diamond circular saw blades
WITHDRAWN published on 31.3.1989
Selected format:Abrasive products—Diamond circular saw blade—Part 1:Welded saw blades
WITHDRAWN published on 13.9.2002
Selected format:Abrasive products—Diamond circular saw blade—Part 2:Sintered saw blades
WITHDRAWN published on 13.9.2002
Selected format:Diamond frame saw blades
WITHDRAWN published on 1.1.1989
Selected format:Diamond or cubic boron nitride sticks
WITHDRAWN published on 1.1.1989
Selected format:Synthetic diamond or cubic boron nitride lapping paste
WITHDRAWN published on 1.1.1989
Selected format:Pulp stone
WITHDRAWN published on 1.1.1989
Selected format:Surface active agents--Determination of water content--Azeotropic distillation method
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2026-01-25 (Number of items: 2 257 482)
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