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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
Series capacitors for power systems—Part 1:General
Execute Date: august 2026
Standard published on 28.1.2026
Selected format:Series capacitors for power systems—Part 2:Protective equipment for series capacitor banks
Standard published on 29.9.2017
Selected format:Series capacitors for power systems—Part 3:Internal fuse
Standard published on 8.10.2002
Selected format:
Series capacitors for power systems—Part 3Internal fuses
Execute Date: august 2026
Standard published on 28.1.2026
Selected format:Series capacitors for power systems—Part 4:Thyristor-controlled series capacitors
Standard published on 24.7.2014
Selected format:End mills - Part 1: Milling cutters with parallel shanks
Standard published on 10.11.2010
Selected format:End mills - Part 2: Milling cutters with morse taper shanks
Standard published on 10.11.2010
Selected format:End mills - Part 3: Milling cutters with 724 taper shanks
Standard published on 10.11.2010
Selected format:End mills - Technical specifications
Standard published on 10.11.2010
Selected format:Side and face milling cutter
Standard published on 9.3.2012
Selected format:Latest update: 2026-06-22 (Number of items: 2 284 351)
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