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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
Code on geotechnical investigations for metro and light rail transit
WITHDRAWN published on 1.1.1999
Selected format:Code of metro and light rail engineering survey
WITHDRAWN published on 1.1.1999
Selected format:Code for urban rail transit engineering survey
WITHDRAWN published on 10.3.2008
Selected format:Standard for checking and evaluating the quality of brickwork in industrial furnaces
WITHDRAWN published on 7.1.1992
Selected format:Code for quality inspection and acceptance of industrial furnaces building
WITHDRAWN published on 23.10.2007
Selected format:Rules and methods of performance test for construction tower cranes
WITHDRAWN published on 1.1.1985
Selected format:Performance test for tower cranes
WITHDRAWN published on 18.10.1994
Selected format:Tower crane
WITHDRAWN published on 7.8.2008
Selected format:Code for engineering design of generic cabling system for building and campus
WITHDRAWN published on 28.2.2000
Selected format:Code for engineering design of generic cabling system
WITHDRAWN published on 6.4.2007
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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