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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 the dispersion stability of vat dye suspensions
WITHDRAWN published on 5.6.1984
Selected format:Test method for the dispersion stability of disperse dye suspensions
WITHDRAWN published on 5.6.1984
Selected format:Test method for the reduction speed of vat dyes—Steam process
WITHDRAWN published on 5.6.1984
Selected format:-
WITHDRAWN published on 1.1.1977
Selected format:Steam cylinder oil
WITHDRAWN published on 2.1.1994
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Precision of test methods for chemical products--Determination of repeatability and reproducibility by inter-laboratory tests
WITHDRAWN published on 1.1.1984
Selected format:General rule for determination of density and relative density for chemical products
WITHDRAWN published on 5.6.1984
Selected format:Synthetic test for AC high-voltage circuit-breakers
WITHDRAWN published on 1.1.1984
Selected format:Synthetic testing of high-voltage alternating current circuit-breakers
WITHDRAWN published on 17.6.1996
Selected format:Latest update: 2025-09-17 (Number of items: 2 234 360)
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