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Local man honored for invention of home smoke alarm
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Your household smoke detectors - Canadian Nuclear Safety Commission
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Smoke Detector (1970s) | Museum of Radiation and Radioactivity
Fire Alarms Smoke Detectors, Smoke Alarm Battery Operated, 10-Year Product Life, Fire Alarm with Test Button & Low Battery Signal, Photoelectric Technology Fire Detectors for Bedroom and Home (1 Pack) - Amazon.com
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Smoke detector - Wikipedia
Smoke Detector (1970s) | Museum of Radiation and Radioactivity
Some knowladge you don't know about smoke detecor|Angel Technologies Hongkong Ltd. / ATL /Fire alarm manufacturer
