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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
Designation of name and model of structure ceramic materials used in electronic components
WITHDRAWN published on 1.1.1985
Selected format:Structure ceramic materials used in electronic components
WITHDRAWN published on 1.1.1985
Selected format:Structure ceramic materials used in electronic components
WITHDRAWN published on 9.9.1996
Selected format:Test methods for properties of structure ceramic used in electronic components—Test method for mean coefficient of linear expansion
WITHDRAWN published on 27.11.1985
Selected format:Test methods for properties of structure ceramic used in electronic components—Test method for dielectric loss angle tangent value
WITHDRAWN published on 27.11.1985
Selected format:Test methods for properties of structure ceramic used in electronic components—Test method for chemical durability
WITHDRAWN published on 27.11.1985
Selected format:Test methods for properties of structure ceramic used in electronic components—Test method for liquid permeability
WITHDRAWN published on 27.11.1985
Selected format:Test methods for properties of structure ceramic used in electronic components—Determination of microstructure
WITHDRAWN published on 27.11.1985
Selected format:Classification and designation of name and model of ceramic dielectric materials used for capacitors
WITHDRAWN published on 1.1.1985
Selected format:Ceramic dielectric materials used for capacitors
WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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