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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—Text and office systems—Distributed-office-applications-model—Part 2:Distinguished-object-reference and associated procedures
WITHDRAWN published on 2.9.1997
Selected format:Information technology—Data communications-X.25 Packet Layer Protocol for Data Terminal Equipment
WITHDRAWN published on 2.9.1997
Selected format:Industrial robots—Coordinate systems and motion nomenclature
WITHDRAWN published on 2.9.1997
Selected format:Industrial robots—Coordinate systems and motion nomenclatures
WITHDRAWN published on 29.7.2005
Selected format:Industrial automation systems—Manufacturing message specification—Part 1:Service definition AMENDMENT 1:Data exchange
WITHDRAWN published on 2.9.1997
Selected format:Industrial automation systems—Manufacturing message specification—Part 2:Protocol specification AMENDMEN 2:Data exchange
WITHDRAWN published on 2.9.1997
Selected format:Ebonite--Determination of hardness by means of a durometer
WITHDRAWN published on 12.3.1982
Selected format:Ebonite—Determination of hardness by means of a durometer
WITHDRAWN published on 10.1.2003
Selected format:Information technology—Office equipment—Minimum information to be included in specification sheets—Copying machines
WITHDRAWN published on 2.9.1997
Selected format:Information technology - Office equipment - Minimum information to be included in specification sheets - Copying machines
WITHDRAWN published on 2.7.2008
Selected format:Latest update: 2025-11-14 (Number of items: 2 243 651)
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