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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
Cotton fibres—Determination of maturity—Air flow method
WITHDRAWN published on 4.11.1992
Selected format:Test method for length of cotton fibres—Comb sorter method
WITHDRAWN published on 4.11.1992
Selected format:Cotton fibres--Test method for length--Comb sorter method
WITHDRAWN published on 7.8.2008
Selected format:Test method for cotton length--auto-photoelectric stapler
WITHDRAWN published on 4.11.1992
Selected format:Textiles-cotton fibres--Determination of length (span length) and length uniformity
WITHDRAWN published on 4.11.1992
Selected format:Test method for colour of cotton—Colorimeter method
WITHDRAWN published on 4.11.1992
Selected format:Test method for colour of cotton--Colourimeter method
WITHDRAWN published on 17.6.2008
Selected format:Test method for degree of sugar contains in cotton fibres—Colorimetry
WITHDRAWN published on 4.11.1992
Selected format:Artificial daylighting illumination for cotton classing rooms
WITHDRAWN published on 4.11.1992
Selected format:Test method for textile fibres identification—Stain method
WITHDRAWN published on 4.11.1992
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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