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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
Technique code for village rehabilitation
WITHDRAWN published on 31.3.2008
Selected format:Code for construction and acceptance of shield tunnelling method
WITHDRAWN published on 31.3.2008
Selected format:Code for application technique technique of cementious grout
WITHDRAWN published on 31.3.2008
Selected format:Code for design of pumping station and pipeline of under coal mine
WITHDRAWN published on 15.10.2008
Selected format:Code for design of aero-engine test cell
WITHDRAWN published on 4.11.2008
Selected format:Code for design of underground oil storage in rock caverns
WITHDRAWN published on 15.10.2008
Selected format:Code for design of pharmaceutical industry clean room
WITHDRAWN published on 12.11.2008
Selected format:Code for design of straddle monorail transit
WITHDRAWN published on 24.9.2008
Selected format:Code for design of oil and gas transportation pipeline aerial crossing engineering
WITHDRAWN published on 23.2.2009
Selected format:Dental rotary instruments--Fitting dimensions
WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2025-12-29 (Number of items: 2 253 390)
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