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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
Oblique teeth taper shank end mills with carbide tips
WITHDRAWN published on 1.1.1989
Selected format:Hobs for parallel side splines
WITHDRAWN published on 31.3.1989
Selected format:Cutting-off tools for turning with clamp tips
WITHDRAWN published on 31.3.1989
Selected format:Turning tools for external threads with clamp tips
WITHDRAWN published on 31.3.1989
Selected format:Turning tools for internal threads with clamp tips
WITHDRAWN published on 31.3.1989
Selected format:Woodworking machines--Band sawing machines and carriage--Accuracy tests
WITHDRAWN published on 1.1.1989
Selected format:Woodworking machines--Universal saw blade sharpening machine--Accuracy tests
WITHDRAWN published on 1.1.1989
Selected format:Woodworking machines--Band saw blade rolling and stretching machines--Accuracy tests
WITHDRAWN published on 1.1.1989
Selected format:Woodworking machines--Single blade circular sawing machines with travelling table--Accuracy tests
WITHDRAWN published on 31.3.1989
Selected format:Plain parallel keys--Types and dimensions
WITHDRAWN published on 23.6.1979
Selected format:Latest update: 2026-01-28 (Number of items: 2 257 539)
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