Title:
Perforating machine
United States Patent 2800182
Inventors:
Hamilton, Francis E.
Zuleeg, Charles C.
Brown, Edgar A.
Publication Date:
07/23/1957
Export Citation:
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Assignee:
IBM
Primary Class:
234/64
Other Classes:
83/572, 234/88, 234/111
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US Patent References:
2623592N/A
1848159Perforating machine
1138314N/A
1110261N/A