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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
Torsional vibration of crankshaft systems—Measurement and evaluation method
WITHDRAWN published on 27.12.1994
Selected format:Torsional vibration of crankshaft system—Measurement and evaluation method
WITHDRAWN published on 3.6.2008
Selected format:Terminology of reciprocating cutter bar mower
WITHDRAWN published on 27.12.1994
Selected format:The technical conditions for reciprocating mower
WITHDRAWN published on 27.12.1994
Selected format:Terminology of milk separator
WITHDRAWN published on 27.12.1994
Selected format:Metal-cutting machine tools--Method of type designation
WITHDRAWN published on 27.12.1994
Selected format:Woodworking machines—Turning lathes—Accuracy tests
WITHDRAWN published on 26.12.1994
Selected format:Woodworking machines—Planing machines—Terminology
WITHDRAWN published on 26.12.1994
Selected format:Terminology for woodworking machines—Planing machines
WITHDRAWN published on 11.8.2008
Selected format:Woodworking machines--Sawing machines--Terminology
WITHDRAWN published on 26.12.1994
Selected format:Latest update: 2026-05-22 (Number of items: 2 279 810)
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