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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
Test methods for cable accessories--Part 5: Salt fog test
WITHDRAWN published on 1.1.1985
Selected format:Test methods for cable accessories--Part 6: Humidity resistance test
WITHDRAWN published on 1.1.1985
Selected format:Shackles for ship
WITHDRAWN published on 1.1.1987
Selected format:Mining type flameproof electric magnetic starters
WITHDRAWN published on 20.11.1985
Selected format:Low voltage explosion protection electromagnetic starter for mining
WITHDRAWN published on 24.9.2008
Selected format:Combined flexible materials for electrical insulation--Definitions and general requirements
WITHDRAWN published on 20.11.1985
Selected format:Combined flexible materials for electrical insulation—Part 1:Definitions and general requirements
WITHDRAWN published on 20.5.2002
Selected format:Combined flexible materials for electrical insulation--Methods of test
WITHDRAWN published on 20.11.1985
Selected format:Combined flexble materials for electrical insulation—Part 2:Methods of test
WITHDRAWN published on 21.5.2002
Selected format:Combined flexible materials for electrical insulation—Part 3:Specifications for individual materials
WITHDRAWN published on 7.11.2008
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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