Title:
Paper shredding and crimping machine
United States Patent 1866690
Inventors:
Wilson, Harry W.
Publication Date:
07/12/1932
Export Citation:
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Assignee:
Wilson, Harry W.
Primary Class:
425/303
Other Classes:
225/93, 493/365, 493/463
International Classes:
B02C18/00; B02C18/00
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