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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
Lead-out wire and connector of motor and controller used for electric bicycles
WITHDRAWN published on 29.7.2011
Selected format:Electronic controllers for solar photovoltaic(PV) lighting—Performance specifications
WITHDRAWN published on 29.7.2011
Selected format:Powder metallurgy plain bearing--Cylindrical type--Typesdimensions and tolerances
WITHDRAWN published on 17.6.1981
Selected format:Requirements concerning the interoperability between electromechanical and electrical applications in CAx-systems
WITHDRAWN published on 29.7.2011
Selected format:Powder metallurgy plain bearing--Rimed cylindrical type--Typesdimensions and tolerances
WITHDRAWN published on 17.6.1981
Selected format:Test specifications for synchrophasor measurement unit for power systems
WITHDRAWN published on 29.7.2011
Selected format:Terminology of monitoring and control system of thermal power station
WITHDRAWN published on 29.7.2011
Selected format:Real-time dynamic monitoring systems of power system—Part 2:Protocols for data transferring
WITHDRAWN published on 29.7.2011
Selected format:Testing specifications of time synchronism systems for power system
WITHDRAWN published on 29.7.2011
Selected format:Powder metallurgy plain bearing--Spherical type--Types dimensions and tolerances
WITHDRAWN published on 17.6.1981
Selected format:Latest update: 2026-04-14 (Number of items: 2 272 146)
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