United States Patent 3006436
Inventors:
Starbuck, Herman S.
Liebelt, Howard E.
Publication Date:
10/31/1961
Other Classes:
96/356, 55/512, 261/95, 261/DIG.072
International Classes:
B01D45/10; F24F3/14; F24F6/12; B01D45/00; F24F3/12
Foreign References:
| AU230731A | | | | |
| GB431309A | | | | |
| GB526609A | | | | |