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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
Plastics—Film and sheeting—Determination of the coefficients of friction
Standard published on 9.3.2021
Selected format:Rigid cellular plastics - Determination of shear strength
Standard published on 19.8.2008
Selected format:Acrylenitrile-butadiene-styrene (ABS) plastics extrusion plates
Standard published on 10.12.1988
Selected format:Insulators for overhead lines with a nominal voltage above 1 000V—Part 1:Ceramic or glass insulator units for a.c.systems—Definitions,test methods and acceptance criteria
Standard published on 31.12.2021
Selected format:Insulators for overhead lines with a nominal voltage above 1000V - Part 2: Insulator strings and insulator sets for a.c.systems - Definitions, test methods and acceptance criteria
Standard published on 14.1.2011
Selected format:Plasticized polyvinyl chloride(PVC) tubing for medical uses
Standard published on 30.9.2009
Selected format:Tree seed storage
Standard published on 10.12.1988
Selected format:Single phase plugs and socket-outlets for household and similar purposes—Typesbasic parameters and dimensions
Standard published on 11.10.2021
Selected format:
Single phase plugs and socket-outlets for household and similar purposes—Types, basic parameters and dimensions
Execute Date: august 2025
Standard published on 24.7.2024
Selected format:Adding machines--Layout of function keyboard
Standard published on 10.12.1988
Selected format:Latest update: 2024-12-19 (Number of items: 2 216 019)
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