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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
Yarn from packages--Determination of linear density (or yarn count)--Skein method
WITHDRAWN published on 1.1.1984
Selected format:Textiles—Yarn from packages—Determination of linear density (mass per unit length) by the skein method
WITHDRAWN published on 8.12.1995
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Textile fabrics—Determination of resistance to water penetration—Hydrostatic pressure test
WITHDRAWN published on 9.10.1997
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Textile fabrics—Determination of resistance to surface wetting—Spray test
WITHDRAWN published on 9.10.1997
Selected format:Far infra-red drying cabinet
WITHDRAWN published on 1.1.1984
Selected format:General specifications for medical forceps
WITHDRAWN published on 31.3.1989
Selected format:Cilia forceps
WITHDRAWN published on 1.1.1984
Selected format:Capsulotomy forceps
WITHDRAWN published on 1.1.1984
Selected format:Latest update: 2025-09-17 (Number of items: 2 234 360)
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