Art of treating ferrous metal articles
United States Patent 2357269

Inventors:
Russell, David A.
Kyle, Stanley C.
Publication Date:
08/29/1944
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Assignee:
Russell, David A.
Kyle, Stanley C.
Primary Class:
427/435
Other Classes:
508/163, 106/14.210, 148/263, 148/258, 106/14.120, 72/46
International Classes:
B21C9/02; C04B28/34; B21C9/00; C04B28/00