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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
Analytical methods for turpentine
Execute Date: september 2026
Standard published on 27.2.2026
Selected format:Personal protective equipment terminology
Standard published on 31.12.2025
Selected format:Bar code for commodity - Retail commodity numbering and bar code marking
Standard published on 7.11.2008
Selected format:Bar code terminology
Standard published on 25.3.2019
Selected format:Bar code for China standard book number
Standard published on 9.1.2008
Selected format:Codabar Bar Code
Standard published on 16.7.2008
Selected format:Information technology--Automatic identification and data capture technique--Bar code symbology specifications--Code 39
Standard published on 18.7.2002
Selected format:Chemical reagent - Potassium hydrogen phthalate
Standard published on 15.5.2008
Selected format:Paper and board—Determination of titanium dioxide content
Standard published on 28.12.2023
Selected format:Paper and board—Determination of the ink absorbency
Standard published on 29.8.2025
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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