Method of cleaning
United States Patent 2020228

Inventors:
Ashton, George B.
Publication Date:
11/05/1935
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Assignee:
VICTOR CHEMICAL WORKS
Primary Class:
134/7
Other Classes:
510/268, 15/56, 510/381, 510/380, 424/665, 510/511, 510/108, 510/369, 510/245, 510/368, 134/29, 510/218, 451/59
International Classes:
A23C7/02; A23C7/00