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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
Determination of dense shaped refractory products containing carbon
Standard published on 28.12.2023
Selected format:Geographical names—Signs
Standard published on 23.4.2008
Selected format:Coaxial communication cablesPart1Generic specificationGeneral, definitions and requirements
Standard published on 17.12.2013
Selected format:Coaxial communication cables—Part 10: Sectional specification for semi-rigid cables with fluoropolymer dielectric
Standard published on 25.4.2024
Selected format:Coaxial communication cables—Part 1-100:Electrical test methods—General requirements
Standard published on 15.3.2018
Selected format:Coaxial communication cables—Part 1-101:Electrical test methods—Test for conductor d.c. resistance of cable
Standard published on 15.3.2018
Selected format:Coaxial communication cables—Part 1-102:Electrical test methods—Test for insulation resistance of cable dielectric
Standard published on 15.3.2018
Selected format:Coaxial communication cables—Part 1-103: Electrical test methods—Test for capacitance of cable
Standard published on 15.3.2018
Selected format:Coaxial communication cables—Part 1-104: Electrical test methods—Test for capacitance stability of cable
Standard published on 15.3.2018
Selected format:Coaxial communication cables—Part 1-105: Electrical test methods—Test for withstand voltage of cable dielectric
Standard published on 15.3.2018
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
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