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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
Guidance system for public information—Design principles and requirements of guidance elements—Part 2:Writing signs and relative elements
WITHDRAWN published on 4.8.2006
Selected format:Guidance system for public information—Design principles and requirements of guidance elements—Part 3:Layout plan and information board
WITHDRAWN published on 4.8.2006
Selected format:Guidance system for public information—Design principles and requirements of guidance elements—Part 4:Street guidance map
WITHDRAWN published on 4.8.2006
Selected format:Spherical nickel hydroxide
WITHDRAWN published on 26.9.2006
Selected format:Tantalum carbide powder
WITHDRAWN published on 26.9.2006
Selected format:Copper and copper alloys drawing stock for the contacting materials of electric locomotives
WITHDRAWN published on 26.9.2006
Selected format:Copper-nickel-aluminium alloy sheet
WITHDRAWN published on 1.1.1989
Selected format:Indium-tin oxide target
WITHDRAWN published on 26.9.2006
Selected format:Indium-tin oxide target
WITHDRAWN published on 14.10.2017
Selected format:Information security techniques—Public key infrastructure—Digital certificate format
WITHDRAWN published on 30.8.2006
Selected format:Latest update: 2026-06-15 (Number of items: 2 282 497)
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