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1 result for “page 2 of 7” · 2711ms

Patent

US3296775 Method and apparatus for treating fluids and non-fluid materials

Cited prior art · Squires Arthur Morton · United States · 1967

of the fluid or granular material. Periodically a reverse and sand bed of FIG. 2; Page 6 FIG. 4 is a graph illustrating the type of reverse flow