Title:
Manufacture of nonplaniform sheets of fibrous material
United States Patent 1719819


Inventors:
Morris, Koppelman
Application Number:
US10971226A
Publication Date:
07/02/1929
Filing Date:
05/17/1926
Assignee:
Morris, Koppelman
Primary Class:
Other Classes:
162/388, 162/389
International Classes:
D21J1/00
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