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Title:
Tandem furnace
United States Patent 3086764
Inventors:
Howard, Beck Jacob
Application Number:
US10388161A
Publication Date:
04/23/1963
Filing Date:
04/18/1961
Assignee:
Howard, Beck Jacob
Primary Class:
Other Classes:
118/732, 432/122, 432/133, 432/148
International Classes:
C21D1/74
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US Patent References: