Title:
Apparatus for producing asymmetrically corrugated strips of cardboard, and the like
United States Patent 3157551

Inventors:
Eurico, Granozio
Publication Date:
11/17/1964
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Assignee:
Eurico, Granozio
Primary Class:
Other Classes:
425/370, 425/371
International Classes:
B31F1/30; B31F1/20
Foreign References:
FR1128896A