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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
Metal material—Quantitative pole figure preparing method
WITHDRAWN published on 11.11.1997
Selected format:Metallic materials—Tube—Ring tensile test
WITHDRAWN published on 11.11.1997
Selected format:Classification of dense shaped refractory produts
WITHDRAWN published on 11.11.1997
Selected format:Classification of dense shaped refractory products—Alumina-silica
WITHDRAWN published on 8.5.2008
Selected format:Refractory materials—Determination of thermal conductivity—Hot-wire method(parallel)
WITHDRAWN published on 11.11.1997
Selected format:Technical directives for the division of marine functional zonation
WITHDRAWN published on 12.11.1997
Selected format:Consumer pack of grain
WITHDRAWN published on 12.11.1997
Selected format:Requirement for store""s shopping environment and marketing installation
WITHDRAWN published on 12.11.1997
Selected format:Cutting tools—Designation of high-speed steel groups
WITHDRAWN published on 13.11.1997
Selected format:Spot drills
WITHDRAWN published on 13.11.1997
Selected format:Latest update: 2025-11-14 (Number of items: 2 243 651)
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