Title:
Cleaning porous media
United States Patent 2617719

Inventors:
Stewart, Charles R.
Publication Date:
11/11/1952
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Assignee:
STANOLIND OIL & GAS CO
Primary Class:
Other Classes:
208/305, 73/152.110, 208/433, 208/429, 134/22.190, 423/155, 208/150, 134/40, 134/22.180, 73/38, 436/31
International Classes:
G01N15/08