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3561542
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Information
Patent Grant
3561542
References
Source
Patent Number
3,561,542
Date Filed
Not available
Date Issued
Tuesday, February 9, 1971
53 years ago
CPC
E21C3/24 - directly by air, steam, or gas pressure
E21B44/06 - in response to the flow or pressure of the motive fluid of the drive
Y10T408/6757 - Fluid means
US Classifications
173 - Tool driving or impacting
408 - Cutting by use of rotating axially moving tool
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