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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
Sample preparation for testing of shaped refractory products
Standard published on 7.9.2017
Selected format:Refractory products—Determination of refractoriness
Standard published on 7.9.2017
Selected format:Extreme pressure lithium lubricating grease
Standard published on 18.10.2019
Selected format:General purpose lithium lubricating grease
Standard published on 2.9.2010
Selected format:Petroleum products--Lubricating greases and oils--Determination of evaporation loss
Standard published on 27.2.1987
Selected format:Lubricating grease--Corrosiveness to copper--Copper strip test
Standard published on 27.2.1987
Selected format:Coupling devices for power line carrier systems
Standard published on 25.3.2008
Selected format:Line traps for a.c. power systems
Standard published on 25.3.2008
Selected format:Plant quarantine rules for potato seed tubers producing areas
Standard published on 2.6.2003
Selected format:Fixed capacitors for use in electronic equipment - Part 2: Sectional specification - Fixed metallized polyethylene-terephthalate film dielectric d.c.capacitors
Standard published on 30.12.2011
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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