Magnetic top roll mounting system
United States Patent 3395427
Inventors:
Swanson, Kenneth P.
Publication Date:
08/06/1968
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Assignee:
PROGRESSIVE ENGINEERING INC
Primary Class:
Other Classes:
100/917, 144/248, 100/299
International Classes:
D01H5/54; D01H5/00
Foreign References:
| DE398561C |