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2969000
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Information
Patent Grant
2969000
References
Source
Patent Number
2,969,000
Date Filed
Not available
Date Issued
Tuesday, January 24, 1961
63 years ago
CPC
B23Q1/5456 - with one supplementary rotating pair
B23B51/102 - Back spot-facing or chamfering
B23C3/05 - Finishing valves or valve seats
Y10T408/91 - Machine frame
Y10T409/304424 - Means for internal milling
Y10T409/30644 - to guide tool to move in arcuate path
US Classifications
409 - Gear cutting, milling, or planing
015 - Brushing, scrubbing, and general cleaning
408 - Cutting by use of rotating axially moving tool
451 - Abrading
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