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493151
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Information
Patent Grant
493151
References
Source
Patent Number
493,151
Date Filed
Not available
Date Issued
Tuesday, March 7, 1893
131 years ago
CPC
B23D3/04 - in which the tool or workpiece is fed otherwise than in a straight line
Y10T409/5041 - Means for cutting arcuate surface
Y10T409/507708 - with rack to drive cutter
US Classifications
409 - Gear cutting, milling, or planing
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