Title:
Process and apparatus for disintegration of fibrous material
Document Type and Number:
United States Patent 1824221
Inventors:
Mason, William H.
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Publication Date:
09/22/1931
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Referenced by:
Export Citation:
Assignee:
MASONITE CORP
Primary Class:
Other Classes:
162/247, 241/1, 99/323.400
International Classes:
D21B1/36; D21B1/00