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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
Outline dimension series of infrared detectors
Standard published on 15.7.1992
Selected format:Measuring methods for paramaters of infrared detectors
Standard published on 30.12.2011
Selected format:Recycled aluminium
Standard published on 20.8.2021
Selected format:Scraps of copper and copper alloy
Standard published on 29.9.2020
Selected format:Scraps of lead and lead alloy
Standard published on 26.9.2006
Selected format:
Recycled lead and lead alloy materials
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:Scraps of zinc and zinc alloy
Standard published on 30.4.2007
Selected format:
Recycling material for zinc and zinc alloy
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Steel slag and granulated furnace slag portland cement
Standard published on 30.12.2022
Selected format:Rules for the filling of acetylene cylinders
Standard published on 29.8.2025
Selected format:Latest update: 2026-08-05 (Number of items: 2 291 440)
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