Apparatus for pulverizing material
United States Patent 1737800
Inventors:
London, William J. A.
Publication Date:
12/03/1929
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Assignee:
PEABODY ENGINEERING CORP
Primary Class:
Other Classes:
241/152.200, 241/78, 241/48
International Classes:
B02C13/13; B02C17/18; B02C13/00; B02C17/00