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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
Information technology—Open system interconnection—Common management information protocol—Part 1:Specification
WITHDRAWN published on 17.12.1996
Selected format:Information technology--Open systems interconnection--Local area networks--Medium Access Control (MAC) service definition
WITHDRAWN published on 17.12.1996
Selected format:Identification cards—Integrated circuit(s) cards with contacts—Part 1:Physical characteristics
WITHDRAWN published on 17.12.1996
Selected format:Identification cards—Integrated circuit(s) cards with contacts—Part 2:Dimensions and Location of the contacts
WITHDRAWN published on 17.12.1996
Selected format:Identification cards—Integrated circuit(s) cards with contacts—Part 2:Dimensions and location of the contacts
WITHDRAWN published on 14.3.2006
Selected format:Identification cards—Integrated circuit(s) cards with contacts—Part 3:Electronic signals and transmission protocols
WITHDRAWN published on 17.12.1996
Selected format:Identification cards—Integrated circuit(s) cards with contacts—Part 3:Electronic signals and transmission protocols
WITHDRAWN published on 14.3.2006
Selected format:Determination of the saponification value and ester content of plasticizer
WITHDRAWN published on 1.1.1981
Selected format:Plasticizers—Determination of saponification value and ester-content
WITHDRAWN published on 12.1.1995
Selected format:Technical requirements for ISDN(2B+D)NT1 user-network interface equipment
WITHDRAWN published on 17.12.1996
Selected format:Latest update: 2026-01-30 (Number of items: 2 258 069)
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