Title:
Producing asteriated corundum crystals
United States Patent 2690630


Inventors:
Eversole, William G.
Burdick, John N.
Application Number:
US26398251A
Publication Date:
10/05/1954
Filing Date:
12/28/1951
Assignee:
UNION CARBIDE & CARBON CORP
Primary Class:
Other Classes:
63/32
International Classes:
C30B29/26
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