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177067
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Information
Patent Grant
177067
References
Source
Patent Number
177,067
Date Filed
Not available
Date Issued
Tuesday, May 9, 1876
148 years ago
CPC
B21D28/34 - Perforating tools Die holders
Y10T83/2161 - By free weight of stripper
Y10T83/8853 - Including details of guide for tool or tool support
US Classifications
083 - Cutting
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