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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
Electrical fire monitoring systemPart 2: Residual current electrical fire monitoring detectors
Standard published on 24.7.2014
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Electrical fire monitoring system—Part 2: Residual current electrical fire monitoring detector
Execute Date: august 2027
Standard published on 28.1.2026
Selected format:Electrical fire monitoring systemPart 3: Temperature sensing electrical fire monitoring detectors
Standard published on 24.7.2014
Selected format:Electrical fire monitoring systemPart 4: Arcing fault detectors
Standard published on 6.5.2014
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Electrical fire monitoring system—Part 5: Pyrolysis sensing electrical fire monitoring detectors
Execute Date: november 2026
Standard published on 31.10.2025
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Electrical fire monitoring system—Part 7: Current limiting protector for electric fire prevention
Execute Date: november 2026
Standard published on 31.10.2025
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Electrical fire monitoring system—Part 9: Insulation monitoring device of electrical fire
Execute Date: february 2027
Standard published on 28.1.2026
Selected format:Earth-moving machinery--Diagnostic ports
Standard published on 17.4.1993
Selected format:Proximate analysis of carbon materials
Standard published on 29.8.2025
Selected format:Round baler
Standard published on 21.5.2021
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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