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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
Reinforcements—Test method for woven fabrics Part 1:Determination of thickness for glass fibre
WITHDRAWN published on 11.5.2001
Selected format:Reinforcements—Test method for woven fabrics Part 2:Determination of number of yarns per unit length of warp and weft
WITHDRAWN published on 11.5.2001
Selected format:-
WITHDRAWN published on 1.1.1988
Selected format:Reinforcements—Test method for woven fabrics Part 3:Determination of width and length
WITHDRAWN published on 11.5.2001
Selected format:Reinforcements—Test method for woven fabrics Part 4:Determination of flexural stiffness
WITHDRAWN published on 11.5.2001
Selected format:Reinforcements—Test method for woven fabrics Part 5:Determination of tensile breaking force and elongation at break for glass fibre
WITHDRAWN published on 11.5.2001
Selected format:Textile glass--Woven fabrics--Determination of tensile breaking force and breaking elongation by the strip method
WITHDRAWN published on 1.1.1989
Selected format:Reinforcements—Test method for yarns Part 1:Determination of linear density
WITHDRAWN published on 11.5.2001
Selected format:Reinforcements—Test method for yarns Part 2:Determination of twist
WITHDRAWN published on 11.5.2001
Selected format:Reinforcements—Test method for yarns Part 3:Determination of breaking force and breaking elongation for glass fibre
WITHDRAWN published on 11.5.2001
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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