Ray treatment for surfaces
United States Patent 2263866

Inventors:
Barber, Ira J.
Publication Date:
11/25/1941
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Assignee:
FOSTORIA PRESSED STEEL CORP
Primary Class:
392/427
Other Classes:
250/504R, 392/414, 99/419, 392/413
International Classes:
F26B3/30; F26B15/14; F26B3/00; F26B15/00