Method of ore sorting based on differential infrared emission
United States Patent 3395793

Inventors:
Thompson, Richard L.
Dwyer, Francis B.
Publication Date:
08/06/1968
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Assignee:
Colonial, Sugar Refining Compan
Primary Class:
Other Classes:
209/577, 209/3.300, 250/341.600
International Classes:
B03B1/00