Title:
Stain removal
United States Patent 2022262

Inventors:
White, James F.
Publication Date:
11/26/1935
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Assignee:
MATHIESON ALKALI WORKS INC
Primary Class:
510/281
Other Classes:
510/302, 8/108.100, 510/477, 252/187.270, 510/283, 8/137, 252/187.250, 510/108, 8/107
International Classes:
C11D3/395