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BS EN 54-20. Fire detection and fire alarm systems. Part 20. Aspirating smoke detectors|Fire alarms, Alarm systems, Fire detectors, Fire safety in buildings, Fire safety, Smoke detectors, Dry-heat tests, Cold tests, Damp-heat tests, Corrosion tests, Sulfur dioxide, Impact testing, Vibration testing, Electromagnetic compatibility, Classification systems, Designations, Marking, Conformity
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