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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
Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 5:Impact tests(free components)static load tests(fixed components)endurance tests and overload tests
Standard published on 26.12.1997
Selected format:Electromechanical components for electronic equipment--Basic testing proceduresand measuring methods--Part 6:Climatic tests and soldering tests
Standard published on 26.12.1997
Selected format:Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 7:Mechanical operating tests and sealing tests
Standard published on 26.12.1997
Selected format:Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 8:Connector tests(mechanical)and mechanical tests on contacts and terminations
Standard published on 26.12.1997
Selected format:Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 9:Miscellaneous tests
Standard published on 26.12.1997
Selected format:Code for construction and quality acceptance for installation engineering of manufacturing equipments on optical cable plant
Standard published on 1.11.2013
Selected format:Design document preparation standard of construction project for nonferrous mine
Standard published on 1.1.2013
Selected format:Technical code for lightning protection engineering for rural residential areas
Standard published on 1.1.2013
Selected format:Technical code for engineering of network interconnection and dispatch system
Standard published on 16.5.2014
Selected format:Code for design of municipal solid waste cprocessing in cement kiln
Standard published on 9.1.2014
Selected format:Latest update: 2026-07-05 (Number of items: 2 286 116)
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