Title:
Material treating device
United States Patent 1807923

Inventors:
Lykken, Henry G.
Publication Date:
06/02/1931
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Assignee:
Lykken, Henry G.
Primary Class:
241/34
Other Classes:
241/189.100, 241/47, 241/186.200, 241/56, 241/52
International Classes:
B02C13/26; B02C13/00