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What chemicals are used in a fire extinguisher? How do they …
Applicability of liquid nitrogen fire extinguishing in urban ...
Nitrogen Fire Suppression System | Kidde Fire Systems - Kidde …
Fire extinguisher - Wikipedia
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Nitrogen as a Fire Suppressant - nexAir
Experimental investigation on extinguishing characteristics of liquid …
Importance of Liquid Nitrogen for Fire Extinguishers - Kalstein
CN106310569A - Liquid-nitrogen fire extinguisher - Google …