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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
Test method for length of scoured mohair—Array diagram method
WITHDRAWN published on 28.3.1996
Selected format:Textile fibres—Determination of linear density—Vibroscope method
WITHDRAWN published on 28.3.1996
Selected format:Textile fibres—Determination of length and length distribution of staple fibres—Measurement of single fibres
WITHDRAWN published on 28.3.1996
Selected format:Textile fibres--Test method for length and length distribution of staple fibres--Measurement of single fibres
WITHDRAWN published on 7.8.2008
Selected format:Test method for sugar in cotton fibers—Quantitative method
WITHDRAWN published on 28.3.1996
Selected format:Cotton fibers—Test method for sugar content—Quantitative method
WITHDRAWN published on 7.8.2008
Selected format:Test method for color changes in accelerated weathering of colored building materials
WITHDRAWN published on 26.3.1996
Selected format:Oxalic acid for industrial use
WITHDRAWN published on 13.4.1988
Selected format:Information technology—Software product evaluation—Quality characteristics and guidelines for their use
WITHDRAWN published on 22.3.1996
Selected format:Software engineering—Product quality—Part 1:Quality model
WITHDRAWN published on 14.3.2006
Selected format:Latest update: 2025-11-05 (Number of items: 2 243 072)
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