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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
Uterine cavity form intra-uterine devices
WITHDRAWN published on 14.9.2006
Selected format:VCu intra-uterine device
WITHDRAWN published on 24.7.1997
Selected format:VCu intra-uterine devices
WITHDRAWN published on 14.9.2006
Selected format:TCu intra-uterine devices
WITHDRAWN published on 28.2.1995
Selected format:TCu intra-uterine devices
WITHDRAWN published on 14.9.2006
Selected format:Stethoscope
WITHDRAWN published on 1.1.1989
Selected format:Impression tonometers
WITHDRAWN published on 1.1.1989
Selected format:Impression tonometers
WITHDRAWN published on 31.3.1989
Selected format:The operation microscope
WITHDRAWN published on 31.3.1989
Selected format:Convex milling cutters
WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2025-12-29 (Number of items: 2 253 390)
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