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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
Natural rubber latex concentrate - Prevulcanized rubber latex - Determination of viscosity
WITHDRAWN published on 19.6.2008
Selected format:Natural rubber latex concentrate—Prevulcanized rubber latex—Determination of swelling capacity
WITHDRAWN published on 25.12.1993
Selected format:Natural rubber latex concentrate - Prevulcanized rubber latex - Determination of swelling capacity
WITHDRAWN published on 19.6.2008
Selected format:Geotextiles—Identification on site
WITHDRAWN published on 25.12.1993
Selected format:Geotextiles—Determining apparent opening size of a geotextile by dry sieving
WITHDRAWN published on 25.12.1993
Selected format:Geotextiles and geotextile-related products—Determination of the effective opening size—Dry sieving method
WITHDRAWN published on 4.11.2005
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:Erection works of electrical installations Code for construction and acceptance of electric power transformer, oily reactance and mutual industance
WITHDRAWN published on 1.1.1990
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Determination of particle size for metallic powders—Dry sieving
WITHDRAWN published on 18.4.1995
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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