B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/102, 182/121
B01D 39/00 (2006.01) B01D 29/00 (2006.01) B01D 29/01 (2006.01) B01D 35/04 (2006.01)
Patent
CA 1065763
ABSTRACT In accordance with the invention there is provided a water filter and water filter device having an upper water filtering layer containing charcoal particles, a lower filtering layer having a submicron pore size and an intermediate filtering layer having a pore size greater than that of the lower layer but less than the particle size of the charcoal in the upper layer.
237630
Gelman Charles
Vadnay Attila
LandOfFree
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