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2786815
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Information
Patent Grant
2786815
References
Source
Patent Number
2,786,815
Date Filed
Not available
Date Issued
Tuesday, March 26, 1957
67 years ago
CPC
E21F5/16 - Layers of hygroscopic or other salts deposited on floors, walls, or the like, for binding dust Deposition of such layers
US Classifications
252 - Compositions
169 - Fire extinguishers
299 - Mining or in situ disintegration of hard material
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