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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
General specification for synchronous generator in ship
WITHDRAWN published on 6.6.1991
Selected format:General specification for synchronous generator in ship
WITHDRAWN published on 30.6.2008
Selected format:Copper or aluminium conductor paper-insulated power cables with rated voltages up to 35kV—Part 1:General
WITHDRAWN published on 6.6.1991
Selected format:Copper or aluminium conductor paper-insulated power cables with rated voltages up to 35kV—Part 2:Non-draining oil impregnated paper-insulated metal-sheathed power cables
WITHDRAWN published on 6.6.1991
Selected format:Copper or aluminium conductor paper-insulated power cables with rated voltages up to 35kV—Part 3:Resin oil impregneted paper-insulated metal-sheathed power cables
WITHDRAWN published on 6.6.1991
Selected format:Balancing machines—Enclosures and other safety measu res
WITHDRAWN published on 6.6.1991
Selected format:Balancing machines—Enclosures and other protective measures for the measuring station
WITHDRAWN published on 4.1.2008
Selected format:Rules for product test of fire alarm equipments
WITHDRAWN published on 6.6.1991
Selected format:Specifications for close-range photogrammetry
WITHDRAWN published on 6.6.1991
Selected format:Specifications for close-range photogrammetry
WITHDRAWN published on 20.6.2008
Selected format:Latest update: 2026-01-18 (Number of items: 2 257 146)
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