Comminuted coal fines and method of comminuting agglomerated coal fines
United States Patent 2778718
US Patent References:
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- - 1246807


Inventors:
Waldemar, Hartmann
Publication Date:
01/22/1957
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Assignee:
Waldemar, Hartmann
Primary Class:
44/578
Other Classes:
252/385, 252/381, 241/15
International Classes:
B03D1/001