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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
Requirements for global navigation satellite system (GNSS) positioning augmentation centers
Standard published on 2.7.2026
Selected format:General specifications for tether launching and retrieving mechanism of tethered aerostat
Standard published on 2.7.2026
Selected format:Global navigation satellite system (GNSS) receiver class codes
Standard published on 2.7.2026
Selected format:Petroleum and natural gas industries—Offshore platforms handling streams with high content of CO2 at high pressures
Standard published on 2.7.2026
Selected format:Graphic symbol for propellant loading and gas supply system in commercial spaceport
Standard published on 2.7.2026
Selected format:
Specification for design and calibration of wind tunnel strain gauge balances
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:
Test methods for civil small and light multi-copter unmanned aircraft docking system
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:
Flow quality requirements for low and high speed wind tunnel
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:Road vehicles--Controlsindicators and tell-tales--Vocabulary
Standard published on 3.7.2001
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General requirements for design and inspection of high speed wind tunnel test models
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:Latest update: 2026-11-05 (Number of items: 2 209 078)
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