Portable power tool
United States Patent 1971790

Inventors:
Mall, Arthur W.
Publication Date:
08/28/1934
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Assignee:
Mall, Arthur W.
Primary Class:
451/359
Other Classes:
29/DIG.068, 451/354, 29/DIG.090, 279/99, 15/50.100, 451/450, 29/DIG.088
International Classes:
B23Q1/00; B24B23/02; B24B55/02; B24B23/00; B24B55/00