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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
Equipment reliability testing--Tests for the validity of a constant failure rate assumption
Standard published on 9.9.1996
Selected format:Equipment reliability testing--Compliance test plans for failure rate and mean time between failures assuming constant failure rate
Standard published on 19.11.1986
Selected format:Technical code for anechoic and semi-anechoic rooms
Standard published on 13.8.2012
Selected format:Evaluation standard for application of renewable energy in buildings
Standard published on 25.12.2012
Selected format:Code for design of urban flood control project
Standard published on 28.6.2012
Selected format:Safety technical code for the storage facilities of uranium ores and uranium compounds
Standard published on 28.1.2013
Selected format:Code of civil air defence works for urban residential areas planning
Standard published on 25.12.2012
Selected format:Code for design of silicon integrated circuits wafer fab
Standard published on 11.10.2012
Selected format:Guide for the collection of reliabilityavailability and maintainability data from field performance of electronic items
Standard published on 17.4.1985
Selected format:Code for design of water supply and drainage of coal industry
Standard published on 13.8.2012
Selected format:Latest update: 2026-07-05 (Number of items: 2 286 116)
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