Ferrous powder metallurgy
United States Patent 2289897

Inventors:
Balke, Claire C.
Keith, Misegades
Publication Date:
07/14/1942
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Assignee:
FANSTEEL METALLURGICAL CORP
Primary Class:
75/243
Other Classes:
148/529, 419/35, 148/208, 75/950, 75/343, 428/570, 205/143, 451/35, 148/513
International Classes:
C22C33/02