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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
Materials for organic light emitting diode display(OLED)—Test method of glass transfer temperature—Differential scanning calorimetry (DSC)
WITHDRAWN published on 30.8.2019
Selected format:Test method of thermal stability of materials for organic light emitting diode display (OLED)
WITHDRAWN published on 30.8.2019
Selected format:Ferromanganese
WITHDRAWN published on 1.1.1987
Selected format:Ferromanganese
WITHDRAWN published on 27.9.1996
Selected format:Ferromanganese
WITHDRAWN published on 5.2.2006
Selected format:General rule for packing of pesticides
WITHDRAWN published on 19.11.1999
Selected format:General rule for packing of pesticides
WITHDRAWN published on 7.12.2006
Selected format:Electric-driving controlgear—Part 2: Electric-driving controlgear incorporating electronic devices
WITHDRAWN published on 21.7.1983
Selected format:Electrical control assemblies
WITHDRAWN published on 6.2.2005
Selected format:Technical requirements for automobiles being received from major overhaul
WITHDRAWN published on 18.7.1983
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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