Title:
Process and apparatus for disintegration of fibrous material
United States Patent 1824221
Inventors:
Mason, William H.
Application Number:
US31481228A
Publication Date:
09/22/1931
Filing Date:
10/24/1928
Assignee:
MASONITE CORP
Primary Class:
Other Classes:
99/323.4, 162/247, 241/1
International Classes:
D21B1/36
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