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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
Connecting devices for low voltage circuits for household and similar purposes Part 2:Particular requirements for connecting devices as separate entities with screwless-type clamping units
WITHDRAWN published on 17.8.1998
Selected format:Connecting devices for low voltage circuits for household and similar purposes Part 2:Particular requirements for connecting devices as separate entities with insulation piercing clamping units
WITHDRAWN published on 17.8.1998
Selected format:Connecting devices for low-voltage circuits for household and similar purposes Part 2:Particular requirements for twist-on connecting devices
WITHDRAWN published on 21.12.1998
Selected format:Connecting devices for low-voltage circuits for household and similar purposes Part 2:Particular requirements for connecting boxes (junction and/or tapping)for terminals or connecting devices
WITHDRAWN published on 17.10.2000
Selected format:Vocabulary of information and documentation Traditional documents
WITHDRAWN published on 30.8.1991
Selected format:Packing containers—Cases with plybamboo
WITHDRAWN published on 16.7.1991
Selected format:Specification and management requirements of the stacking yard for mechanical refrigerated containers
WITHDRAWN published on 31.8.1991
Selected format:The specification for welding of copper and copper alloy clad steel plate
WITHDRAWN published on 23.8.1991
Selected format:Specification for welding of stainless steel clad steel plate
WITHDRAWN published on 23.8.1991
Selected format:Specification for welding of titanium and titanium alloy clad steel plate
WITHDRAWN published on 23.8.1991
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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