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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
Technical code for groundwater monitoring
WITHDRAWN published on 9.10.2014
Selected format:Design code for electrochemical energy storage station
WITHDRAWN published on 1.1.2014
Selected format:The basic types and dimensions of hobs for 45°pressure angle involute splines
WITHDRAWN published on 27.4.1985
Selected format:The basic types and dimensions of hobs for 45°pressure angle involute splines
WITHDRAWN published on 10.2.2004
Selected format:Gauges for straight cylindrical involute splines
WITHDRAWN published on 27.4.1985
Selected format:Straight cylindrical involute splines—Gauge
WITHDRAWN published on 5.7.2006
Selected format:Hose connection for equipment for welding and cutting
WITHDRAWN published on 23.4.1985
Selected format:Code for installation of mineral processing equipment engineering
WITHDRAWN published on 1.1.2015
Selected format:Code for design of electric vehicle battery-swap station
WITHDRAWN published on 1.1.2015
Selected format:Equal pressures welding torch and cutting torch
WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 289)
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