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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
Flight mechanics - Conceptsquantities and symbols - Part 7Flight points and flight envelopes
Standard published on 18.7.2008
Selected format:Flight dynamics - Concepts, quantities and symbols - Part 8: the dynamic behavior of the aircraft
Standard published on 15.10.2009
Selected format:Flight dynamics - Concepts, quantities and symbols - Part 9: Models of atmospheric motions
Standard published on 15.10.2009
Selected format:Control and protective system for aero-derivative gas turbine
Standard published on 18.7.2008
Selected format:Mechanical vibration and shock-Mechanical mounting of accelerometers
Standard published on 13.5.2005
Selected format:Marine side scuttles
Standard published on 30.7.2008
Selected format:Water for industrial circulating cooling system and boiler - Determination of solids matter
Standard published on 13.8.2007
Selected format:Methods for sampling boiler steam
Standard published on 23.5.2023
Selected format:Driving tenons and sockets for parallelshank tools--Dimensions
Standard published on 10.2.2004
Selected format:Analysis of water used in boiler and cooling system—Determination of chemical oxygen demand—Rapid method with potassium dichromate
Standard published on 24.7.2024
Selected format:Latest update: 2026-08-11 (Number of items: 2 292 404)
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