Dust collector for polishing machines
United States Patent 1528439

Inventors:
Leiman, Gustave A.
Publication Date:
03/03/1925
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Assignee:
Leiman, Bros
Primary Class:
55/378
Other Classes:
451/456, 55/419, 29/DIG.078, 55/478, 55/466, 15/DIG.008
International Classes:
B24B55/06; B24B55/00