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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
Test method for abrasion resistance of refractory materials at room temperature
WITHDRAWN published on 15.1.2001
Selected format:Color grading of polished diamond by visual matching
WITHDRAWN published on 21.1.2001
Selected format:Quality system—Quality system requirements for automotive suppliers
WITHDRAWN published on 31.1.2001
Selected format:Quality management systems—Particular requirements for the application of ISO 9001:2000 for automotive production and relevant service part organizations
WITHDRAWN published on 17.1.2003
Selected format:Seismic ground motion parameter zonation map of China
WITHDRAWN published on 2.2.2001
Selected format:Determination of silicon dioxide content in tin concentrates--Silicon molybdenum blue photometric method
WITHDRAWN published on 29.12.1979
Selected format:Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 2-10:Tests—Crush resistance
WITHDRAWN published on 24.11.2003
Selected format:Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 2-11:Tests—Axial compression
WITHDRAWN published on 24.11.2003
Selected format:Fibre optic interconnecting devices and passive components--Basic test and measurement procedures Part 2-3: Tests--Static shear load
WITHDRAWN published on 13.2.2001
Selected format:Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 2-7:Tests—Bending moment
WITHDRAWN published on 4.12.2002
Selected format:Latest update: 2025-12-26 (Number of items: 2 253 153)
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