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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
Radiological protection standards for the examinee in medical X-ray diagnosis
Standard published on 14.1.2011
Selected format:Radiological health protection standard on gamma-beam teletherapy equipment in medicine
Standard published on 23.5.1996
Selected format:Radiological protection standardsfor consumer products containing radioactive substances
Standard published on 23.5.1996
Selected format:Plastics - Determination of apparent density material that can be poured from a specified funnel
Standard published on 4.8.2008
Selected format:Specification for patient radiological protection and quality control in nuclear medicine
Standard published on 29.6.2012
Selected format:The requirements for quality assurance and radiological protection for patients in teletherapy
Standard published on 14.1.2011
Selected format:Solubilised vat dyes - Determination of shade and relative strength
Standard published on 1.8.2006
Selected format:Quality control for radiation sterilization of medical and hygienical products
Standard published on 22.12.2014
Selected format:Solubilised vat dyes - Determination of solubility
Standard published on 1.8.2006
Selected format:Criteria of delimitation and classification of Kashin-Beck disease endemic area
Standard published on 30.12.2011
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
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