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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
Quality assessment regulations for radio transceiver employing F3E emission used in the mobile services
WITHDRAWN published on 13.12.1995
Selected format:Performance requirements of audiovisual terminals--Narrow-band visual telephone systems and terminal equipment
WITHDRAWN published on 1.1.1995
Selected format:The door gasket for freight containers
WITHDRAWN published on 19.12.1995
Selected format:Regulations for radiation and environment protection in uranium geology
WITHDRAWN published on 13.12.1995
Selected format:Sealed radioactive sources--Leakage test methods
WITHDRAWN published on 13.12.1995
Selected format:-
WITHDRAWN published on 1.1.1979
Selected format:Decontamination of radioactively contaminated surfaces—Testing method of decontamination agents for textiles
WITHDRAWN published on 13.12.1995
Selected format:Information technology—Security techniques—Digital signature scheme giving message recovery
WITHDRAWN published on 13.12.1995
Selected format:Information technology—Security techniques—Data integrity mechanism using a cryptographic check function employing a block cipher algorithm
WITHDRAWN published on 13.12.1995
Selected format:Information technology—Security techniques—Message Authentication Codes(MACs)—Part 1:Mechanisms using a block cipher
WITHDRAWN published on 2.7.2008
Selected format:Latest update: 2025-11-11 (Number of items: 2 243 547)
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