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3557955
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Information
Patent Grant
3557955
References
Source
Patent Number
3,557,955
Date Filed
Not available
Date Issued
Tuesday, January 26, 1971
53 years ago
CPC
B01D24/4884 - by pressure measuring
B01D24/08 - the filtering material being supported by at least two pervious coaxial walls
B01D24/12 - Downward filtration, the filtering material being supported by pervious surfaces
B01D24/4636 - with backwash shoes; with nozzles
B01D24/4673 - using rotary devices or vibration mechanisms
B01D24/4689 - Displacement of the filtering material to a compartment of the filtering device for regeneration
US Classifications
210 - Liquid purification or separation
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