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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
Panelcabinetconsole and case for industrial-process measurement and control equipment
Standard published on 11.11.1999
Selected format:High-voltage test techniques—Partial discharge measurements
Standard published on 17.9.2018
Selected format:Electrical installations in ships—System design—Protection
Standard published on 25.4.2025
Selected format:Electrical installations in ships—System design—General
Standard published on 25.4.2025
Selected format:Test method for polynuclear aromatics in petroleum wax
Standard published on 31.12.2021
Selected format:Test method for carbonizable substances in paraffin wax
Standard published on 5.10.2025
Selected format:p-Anisidine
Standard published on 15.5.2015
Selected format:Trichloromonofluoromethane for industrial uses
Standard published on 9.3.1987
Selected format:Dichlorodifluoromethane for industrial uses
Standard published on 9.3.1987
Selected format:Monochlorodifluoro methane for industrial uses
Standard published on 1.9.2006
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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