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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
Flexible card clothing for auxiliary
WITHDRAWN published on 1.1.1986
Selected format:Card gauge
WITHDRAWN published on 1.1.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Blank detail specification for bipolar transistors for switching applications
WITHDRAWN published on 1.1.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Chemical reagent—Hydrochloric acid
WITHDRAWN published on 31.3.1989
Selected format:Long tube respirators
WITHDRAWN published on 9.4.1986
Selected format:Performance test methods of long tube respirators
WITHDRAWN published on 9.4.1986
Selected format:Safety code for gas of industrial enterprises
WITHDRAWN published on 9.4.1986
Selected format:Filter type respirator for particles
WITHDRAWN published on 1.1.1986
Selected format:Latest update: 2026-04-19 (Number of items: 2 274 482)
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