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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 of pitting corrosion resistance of stainless steels in the ferric chloride solution
WITHDRAWN published on 1.11.1999
Selected format:Test method for stress corrosion-cracking resistance of stainless steels in a boiling magnesium chloride solution
WITHDRAWN published on 1.11.1999
Selected format:Method of pitting potential measurement for stainless steels
WITHDRAWN published on 1.11.1999
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WITHDRAWN published on 1.1.1963
Selected format:-
WITHDRAWN published on 1.1.1982
Selected format:Medicinal Vaseline
WITHDRAWN published on 23.8.1994
Selected format:Medicinal vaseline
WITHDRAWN published on 10.6.2003
Selected format:Medicinal vaseline
WITHDRAWN published on 31.12.2012
Selected format:Information technology—Security techniques—Key management—Part 1:Framework
WITHDRAWN published on 11.11.1999
Selected format:Information technology—Security techniques—Digital signature with appendix—Part 1:General
WITHDRAWN published on 11.11.1999
Selected format:Latest update: 2025-09-08 (Number of items: 2 231 996)
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