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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
Electric and hybrid electric road vehicles—Radio disturbance characteristics—Limits and methods of measurement for the protection of off-board receivers below 30MHz
Standard published on 27.11.2023
Selected format:Automotive passive infrared detection system
Standard published on 27.11.2023
Selected format:Methods for chemical analysis of molybdenum - Part 1: Determination of lead content - Graphite furnace atomic absorption spectrometry
Standard published on 9.5.2013
Selected format:Methods for chemical analysis of molybdenum - Part 10: Determination of copper content - Flame atomic absorption spectrometry
Standard published on 9.5.2013
Selected format:Methods for chemical analysis of molybdenum - Part 11: Determination of aluminum content - Chromazurol S spectrophotometry and inductively coupled plasma atomic emission spectrometry
Standard published on 9.5.2013
Selected format:Methods for chemical analysis of molybdenum - Part 12: Determination of silicon content - Inductively coupled plasma atomic emission spectrometry
Standard published on 9.5.2013
Selected format:Methods for chemical analysis of molybdenum - Part 13: Determination of calcium content - Flame atomic absorption spectrometry
Standard published on 9.5.2013
Selected format:Methods for chemical analysis of molybdenum - Part 14: Determination of magnesium content - Flame atomic absorption spectrometry
Standard published on 9.5.2013
Selected format:Methods for chemical analysis of molybdenum - Part 15: Determination of sodium content - Flame atomic absorption spectrometry
Standard published on 9.5.2013
Selected format:Methods for chemical analysis of molybdenum - Part 16: Determination of potassium content - Flame atomic absorption spectrometry
Standard published on 9.5.2013
Selected format:Latest update: 2026-09-16 (Number of items: 2 301 474)
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