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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
Low-voltage reactive power compensation assemblies
WITHDRAWN published on 30.6.2008
Selected format:Safety regulations for dust explosion prevention and protection
WITHDRAWN published on 19.6.1995
Selected format:Safety regulations for dust explosion prevention and protection
WITHDRAWN published on 26.6.2007
Selected format:Safety requirements for resistance welding machine
WITHDRAWN published on 2.6.1995
Selected format:Safety requirements for arc welding equipment—Part 1:Welding power sources
WITHDRAWN published on 2.6.1995
Selected format:Arc welding equipment—Part 1:Welding power sources
WITHDRAWN published on 4.2.2004
Selected format:Arc welding equipment—Part 1:Welding power sources
WITHDRAWN published on 12.11.2013
Selected format:Arc welding equipment—Part 10:Electromagnetic compatibility(EMC)requirements
WITHDRAWN published on 31.12.2008
Selected format:Safety requirements for are welding equipment Part 11:Electrode holders
WITHDRAWN published on 19.1.1998
Selected format:Safety requirements for arc welding equipment—Part 12:Coupling devices for welding cables
WITHDRAWN published on 19.1.1998
Selected format:Latest update: 2026-01-20 (Number of items: 2 257 233)
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