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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
Protective devices against unauthorized use for motorcycles and mopeds
Standard published on 29.9.2024
Selected format:Front and rear protective devices for passenger cars
Standard published on 23.8.2024
Selected format:In-situ measurements of heat loss through thermal insulation of equipments and pipes - Heat flow meter apparatus and surface temperature method
Standard published on 19.6.2008
Selected format:Power consumption, measurement,and testing in heat treating production
Standard published on 11.3.2009
Selected format:Microbeam analysis—Quantitative analysis using energy-dispersive spectrometry (EDS) for elements with an atomic number of 11 (Na) or above
Standard published on 28.12.2023
Selected format:Microbeam analysis—Method of quantitative determination for low contents of silicon and manganese in steels using electron probe microanalyzer
Standard published on 2.6.2020
Selected format:Microbeam analysis - Identification of authigenic clay mineral in sedimentary rock menthod by scanning electron microscope and energy dispersive spectrometer
Standard published on 19.7.2013
Selected format:Analysis method for gold products with X-ray EDS in SEM
Standard published on 18.9.2008
Selected format:Nondestructive mensuration of gold content in the gold products - Part 1: Method of electron probe microanalysis
Standard published on 19.3.2009
Selected format:Microbeam analysis—Method of preparation for specimens of metal and alloy in electron probe microanalysis
Standard published on 28.3.2025
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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