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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 switchgear and control gear assemblies—Part 4:Particular requirements for assemblies for construction sites(ACS)
WITHDRAWN published on 21.12.1998
Selected format:Low-voltage switchgear and control gear assemblies—Part 4:Particular requirements for assemblies for construction sites(ACS)
WITHDRAWN published on 1.12.2006
Selected format:Low-voltage switchgear and control gear assemblies—Part 5:Particular requirements for assemblies intended to be installed outdoors in public places—Cable distribution cabinets (CDCs)for power distribution in networks
WITHDRAWN published on 21.12.1998
Selected format:Low-voltage switchgear and controlgear assemblies—Part 5:Particular requirements for assemblies for power distribution in public networks
WITHDRAWN published on 19.6.2008
Selected format:Low-voltage switchgear and controlgear assemblies—Part 7: Assemblies for specific applications such as marinas, camping sites, market squares, electric vehicles charging stations
WITHDRAWN published on 15.5.2015
Selected format:Low-voltage switchgear and controlgear assemblies—General technology requirement for intelligent assemblies
WITHDRAWN published on 6.2.2005
Selected format:Guide for the analysis and the diagnosis of gases dissolved in transformer oil
WITHDRAWN published on 1.1.1987
Selected format:Guide to the analysis and the diagnosis of gases dissolved in transformer oil
WITHDRAWN published on 2.11.2001
Selected format:The string insulator units of the cap and pin type—Dimensions and characteristics
WITHDRAWN published on 9.2.1987
Selected format:Insulators for overhead lines with a nominal voltage above 1000V—Ceramic or glass insulator units for a.c. systems—Charateristics of insulator units of the cap and pin type
WITHDRAWN published on 19.9.2005
Selected format:Latest update: 2026-04-05 (Number of items: 2 271 011)
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