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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
Load code for the design of building structures
WITHDRAWN published on 10.1.2002
Selected format:Classification of domestic ceramics
WITHDRAWN published on 11.3.1985
Selected format:Code for design of concrete structures
WITHDRAWN published on 20.2.2002
Selected format:Code for design of concrete structures
WITHDRAWN published on 18.8.2010
Selected format:Code for seismic design of buildings
WITHDRAWN published on 20.7.2001
Selected format:Code for seismic design of buildings
WITHDRAWN published on 7.7.2016
Selected format:Code for design of outdoor water supply engineering
WITHDRAWN published on 18.1.2006
Selected format:Code for design of outdoor wastewater engineering
WITHDRAWN published on 18.1.2006
Selected format:Code for design of building water supply and drainage
WITHDRAWN published on 15.4.2003
Selected format:Code of design on building fire protection and prevention
WITHDRAWN published on 12.7.2006
Selected format:Latest update: 2025-12-24 (Number of items: 2 253 093)
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