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1288685
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Information
Patent Grant
1288685
References
Source
Patent Number
1,288,685
Date Filed
Not available
Date Issued
Tuesday, December 24, 1918
105 years ago
CPC
B23B51/0072 - Drills for making non-circular holes
Y10T83/7793 - Means to rotate or oscillate tool
Y10T408/35 - including plural rotating tools
Y10T408/356 - including plunging [single stroke] cutter
US Classifications
408 - Cutting by use of rotating axially moving tool
083 - Cutting
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