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2257138
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Information
Patent Grant
2257138
References
Source
Patent Number
2,257,138
Date Filed
Not available
Date Issued
Tuesday, September 30, 1941
82 years ago
CPC
E03D1/266 - exclusively provided with flushing valves as flushing mechanisms
Y10T137/479 - Flow dividing compartments
US Classifications
004 - Baths, closets, sinks, and spittoons
137 - Fluid handling
181 - Acoustics
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