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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
Finishes for bicycles
WITHDRAWN published on 31.3.1989
Selected format:Primers for bicycles
WITHDRAWN published on 31.3.1989
Selected format:Bend test for coating (conical mandrel)
WITHDRAWN published on 31.3.1989
Selected format:Methods for measuring the colour of paint films--Part 1:Principles
WITHDRAWN published on 31.3.1989
Selected format:Methods for measuring the colourof paint films--Part 2:Colour measurement
WITHDRAWN published on 31.3.1989
Selected format:Methods for measuring the colourof paint films--Part 3:Calculation of colour differences
WITHDRAWN published on 31.3.1989
Selected format:Comparison of resistance to bleeding of pigments
WITHDRAWN published on 31.3.1989
Selected format:Determination of density of pigments (using a centrifuge to remove entraind air)
WITHDRAWN published on 31.3.1989
Selected format:Operatinglight-exposure apparatus (xenon-arc type) with and without water and testing method for exposure of nonmetallic materials
WITHDRAWN published on 31.3.1989
Selected format:Operatinglight-exposure apparatus (carbon-arc type) with and without water and testingmethod for exposure of nonmetallic materials
WITHDRAWN published on 31.3.1989
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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