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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
Detection and identification of Greeneria uvicola (Berk. & M.A. Curtis) Punith.
Standard published on 25.4.2025
Selected format:Detection and identification of Potyvirus glycitessellati
Standard published on 25.4.2025
Selected format:Detection and identification of Potyvirus zeananus
Standard published on 25.4.2025
Selected format:Detection and identification of Tobamovirus fructirugosum
Standard published on 25.4.2025
Selected format:Detection and identification of Leptosphaeria lindquistii Frezzi
Standard published on 25.4.2025
Selected format:Code of practice for phytosanitary phosphine fumigation treatments of fruits and vegetables
Standard published on 25.4.2025
Selected format:General requirements for building materials products traceability system
Standard published on 25.4.2025
Selected format:Fine ceramics—Determination of the abrasion resistance of coatings by micro-scale abrasion test
Standard published on 25.4.2025
Selected format:Test methods for the properties of non-structural ultra-high performance concrete component
Standard published on 25.4.2025
Selected format:Centrifugal refrigerant compressors
Standard published on 25.4.2025
Selected format:Latest update: 2026-11-12 (Number of items: 2 209 301)
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