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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 security technology—Vulnerability identification and description specification
WITHDRAWN published on 29.6.2012
Selected format:Methods of measurement on radio receivers for AM broadcast transmissions
WITHDRAWN published on 17.6.1988
Selected format:Inspection rules for garment interlinings
WITHDRAWN published on 29.6.2012
Selected format:Pozzolanic materials used for cement production
WITHDRAWN published on 15.5.1996
Selected format:Pozzolanic materials used for cement production
WITHDRAWN published on 9.8.2005
Selected format:Pozzolanic materials used for cement production
WITHDRAWN published on 9.8.2005
Selected format:Specifications for Rockwell hardness testers
WITHDRAWN published on 29.8.1992
Selected format:Limits of hazardous substances for musical instruments
WITHDRAWN published on 29.6.2012
Selected format:-
WITHDRAWN published on 8.6.1988
Selected format:Rolling bearings—Double row cylindrical roller bearings—Boundary dimensions
WITHDRAWN published on 27.12.1994
Selected format:Latest update: 2025-05-16 (Number of items: 2 200 115)
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