Title:
Spring and method
United States Patent 2527521
Inventors:
Kenneth, Bloom Fredrick
Publication Date:
10/31/1950
Export Citation:
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Assignee:
ARMCO STEEL CORP
Primary Class:
148/580
Other Classes:
148/325, 148/610, 267/182, 450/41
International Classes:
C21D9/02; F16F1/02; C21D9/02; F16F1/02
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US Patent References:
2266952Stainless steel treatment and product