Title:
Centrifugal classifying apparatus
United States Patent 1978802


Inventors:
Lissman, Marcel A.
Application Number:
US60042532A
Publication Date:
10/30/1934
Filing Date:
03/22/1932
Assignee:
INT PRECIPITATION CO
Primary Class:
International Classes:
B04C5/02; B07B7/08; B07B7/086
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