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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
Method for photoelectric emission spectroscopic analysis of stainless steel
WITHDRAWN published on 31.3.1989
Selected format:Alloy structure steel blank for making seamless tube
WITHDRAWN published on 1.1.1989
Selected format:Quality carbon steel seamless tube blank
WITHDRAWN published on 1.1.1989
Selected format:Circular saw blade for hot metal cut
WITHDRAWN published on 1.1.1989
Selected format:Liquefied petroleum gases
WITHDRAWN published on 14.10.1997
Selected format:Testing methods for polyvinyl acetate emulsion
WITHDRAWN published on 31.3.1989
Selected format:Testing methods for synthetic resin emulsions
WITHDRAWN published on 29.5.2002
Selected format:Rubber insulating sheet
WITHDRAWN published on 1.1.1989
Selected format:Polyvinyl acetate emulsion adhesives for wood
WITHDRAWN published on 1.1.1989
Selected format:Rubber-test rule for distribution type of testing data
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2026-03-02 (Number of items: 2 264 418)
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