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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
Textiles—Qualitative and quantitative proteomic analysis of some animal hair fibres—Part 2Peptide detection using MALDI-TOF-MS
Standard published on 6.8.2023
Selected format:Graphical symbols and letter codes for thermal engineering in the technical documentation
Standard published on 23.11.1999
Selected format:Textiles—Determination of total content of boron
Standard published on 23.5.2023
Selected format:Textiles—Identification of naturally colored cottons— Chemical staining method
Standard published on 23.5.2023
Selected format:Paper, board and paper products—Determination of antibacterial activity
Standard published on 23.5.2023
Selected format:Cycles—Audible warning devices—Technical specification and test methods
Standard published on 23.5.2023
Selected format:Textile trim materials in automotive interior applications—Determination of the emissions of volatile organic compounds—Chamber method
Standard published on 23.5.2023
Selected format:Textiles—Determination of benzene residues
Standard published on 23.5.2023
Selected format:Electronic components—Long-term storage of electronic semiconductor devices—Part 1General
Standard published on 23.5.2023
Selected format:Electronic components—Long-term storage of electronic semiconductor devices—Part 2Deterioration mechanisms
Standard published on 23.5.2023
Selected format:Latest update: 2026-09-24 (Number of items: 2 302 501)
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