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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 for investigation of geotechnical engineering
WITHDRAWN published on 9.8.1994
Selected format:Standard for seismic appraiser of building
WITHDRAWN published on 1.1.1995
Selected format:Code for building construction in collapsible loess regions
WITHDRAWN published on 1.3.2004
Selected format:Code for engineering surveying
WITHDRAWN published on 26.3.1993
Selected format:Code for engineering surveying
WITHDRAWN published on 25.10.2007
Selected format:Standard for hydrogeological investigation of water-supply
WITHDRAWN published on 4.7.2001
Selected format:Code for design of city gas engineering
WITHDRAWN published on 15.3.1993
Selected format:Code for design of compressed air station
WITHDRAWN published on 15.4.2003
Selected format:Checking and measuring to the chemical corroding resistance of glazes of domestic ceramics
WITHDRAWN published on 12.8.1999
Selected format:Norm of oxygen plant design
WITHDRAWN published on 5.10.1991
Selected format:Latest update: 2026-02-06 (Number of items: 2 260 317)
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