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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
Centrifuge—Methods of performance testing
Standard published on 27.11.2023
Selected format:Agricultural wheeled tractors and field machinery—Measurement of whole-body vibration of the operator
Standard published on 19.11.2020
Selected format:Matching of agricultural wheeled tractors and rear mounted implements
Standard published on 25.11.2003
Selected format:Earth-woving machinery-Determination of ground speed
Standard published on 19.9.2005
Selected format:Agricultural wheeled tractors--Front-mounted equipment--Part 1: Power take-off and three-point linkage
Standard published on 11.3.2003
Selected format:
Agricultural tractors—Front-mounted equipment—Part 1: Power take-off: Safety requirements and clearance zone around PTO
Execute Date: may 2026
Standard published on 31.10.2025
Selected format:Agricultural wheeled tractors—Front-mounted equipment—Part 2Stationary equipment connection
Standard published on 15.5.2015
Selected format:Gauges for straight-sided splines
Standard published on 11.10.2021
Selected format:Types and dimensions of screw thread gauge and plain limit gauge
Standard published on 12.11.2008
Selected format:Gauges for pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
Standard published on 5.2.2006
Selected format:Latest update: 2026-03-15 (Number of items: 2 266 660)
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