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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
Semiconductor integrated circuits—Measuring method of analogue switch
Standard published on 15.3.2018
Selected format:General principles of measuring methods of analogue multiplier for semiconductor integrated circuits
Standard published on 17.12.1992
Selected format:General principles of measuring methods of timer circuits for semiconductor integrated circuits
Standard published on 17.12.1992
Selected format:General principles of measuring methods of analogue phase-loop for semiconductor integrated circuits
Standard published on 17.12.1992
Selected format:General principles of measuring methods of digital phase-locked loop for semiconductor integrated circuits
Standard published on 17.12.1992
Selected format:Thrown silk
Standard published on 25.4.2016
Selected format:Connections for hydraulic fluid power—Metallic tube connectors—Part 1: 24° cone connectors
Standard published on 6.8.2023
Selected format:Connections for hydraulic fluid power—Metallic tube connectors—Part 2: 37° flared connectors
Standard published on 23.5.2023
Selected format:Connections for hydraulic fluid power—Metallic tube connections—Part 3:Face seal
Standard published on 29.6.2024
Selected format:Connections for hydraulic fluid power—Metallic tube connectors—Part 4: 60° cone connectors
Standard published on 23.5.2023
Selected format:Latest update: 2026-08-07 (Number of items: 2 292 304)
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