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See Chinese contents: GB 20517-2006 GB 20517-2006: Fire detection and alarm systems -- Smoke alarms
This Standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging and manufacturer instructions for fire detection and alarm systems. This Standard applies to smoke alarms that are installed in civil architectures and operate using scattered light, transmitted light (photoelectric smoke sensing) and ionization (ion smoke sensing).
