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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
Testing method of electrical property of tantalum powders
WITHDRAWN published on 17.10.1995
Selected format:Testing method for electrical properties of tantalum powder
WITHDRAWN published on 23.11.2007
Selected format:Test method for flat panel display (FPD) polarizing films
WITHDRAWN published on 4.2.2015
Selected format:Definition of common terms used in electroplating
WITHDRAWN published on 1.1.1982
Selected format:Terminology for metallic coating, chemical treatment and related process
WITHDRAWN published on 27.7.1995
Selected format:Setting specifications for public information guidance systems in tourist attractions
WITHDRAWN published on 4.2.2015
Selected format:Test method for thermal conductivity of glassfiber reinforced plastics
WITHDRAWN published on 13.7.1982
Selected format:Technical guidance for the utilization of coal mine water
WITHDRAWN published on 15.5.2015
Selected format:Test method for mean specific heat of glassfiber reinforced plastics
WITHDRAWN published on 1.1.1982
Selected format:Test method for mean specific heat capacity of fiber reinforced plastics
WITHDRAWN published on 25.5.1995
Selected format:Latest update: 2026-03-10 (Number of items: 2 265 346)
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