Heat treatment of shafts and the like
United States Patent 2202759

Inventors:
Denneen, Francis S.
Dunn, William C.
Publication Date:
05/28/1940
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Assignee:
OHIO CRANKSHAFT CO
Primary Class:
148/572
Other Classes:
219/156, 219/667, 266/129, 148/658
International Classes:
C21D9/28; H05B6/02