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3580120
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Information
Patent Grant
3580120
References
Source
Patent Number
3,580,120
Date Filed
Not available
Date Issued
Tuesday, May 25, 1971
53 years ago
CPC
B26D7/1854 - by air under pressure
B26F1/02 - Perforating by punching
Y10T83/2066 - By fluid current
Y10T83/817 - With variable spacing between tool pairs
Y10T83/8785 - Through return [noncutting] stroke
Y10T83/8858 - Fluid pressure actuated
Y10T83/943 - Multiple punchings
US Classifications
083 - Cutting
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