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2845124
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Information
Patent Grant
2845124
References
Source
Patent Number
2,845,124
Date Filed
Not available
Date Issued
Tuesday, July 29, 1958
65 years ago
CPC
G06K21/06 - Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards
Y10T83/8737 - With tool positioning means synchronized with cutting stroke
US Classifications
234 - Selective cutting
083 - Cutting
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