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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
Method for determination of water absorption of wheat flour and rheological properties of doughs using a farinograph
WITHDRAWN published on 5.9.1993
Selected format:Wheat flour—Physical characteristics of doughs—Determination of water absorption and rheological properties using a farinograph
WITHDRAWN published on 18.5.2006
Selected format:Method for determination of rheological properties of doughs using an extensograph
WITHDRAWN published on 5.9.1993
Selected format:Wheat flour—Physical characteristics of doughs—Determination of rheological properties using an extensograph
WITHDRAWN published on 18.5.2006
Selected format:General specification for engine-room bottom coating
WITHDRAWN published on 9.9.1993
Selected format:Propagation characteristics in land mobile service and fixed service—Part 1:Propagation characteristics in land mobile service
WITHDRAWN published on 14.9.1993
Selected format:Propagation characteristics in land mobile service and fixed service—Part 2:Propagation characteristics for the terrestrial fixed service in 1001000 MHz
WITHDRAWN published on 14.9.1993
Selected format:Propagation characteristics in land mobile service and fixed service—Part 3:Propagation characteristics of line-of-sight radio relay communication systems
WITHDRAWN published on 15.9.1993
Selected format:Frequency sharing criteria between line-of-sight radio-relay systems and space radiocommunication systems
WITHDRAWN published on 15.9.1993
Selected format:Alumina ceramic substrates for thick film integrated circuits
WITHDRAWN published on 3.9.1993
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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