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3837404
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Patent Grant
3837404
References
Source
Patent Number
3,837,404
Date Filed
Not available
Date Issued
Tuesday, September 24, 1974
49 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
169 - Fire extinguishers
252 - Compositions
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