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2213305
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Information
Patent Grant
2213305
References
Source
Patent Number
2,213,305
Date Filed
Not available
Date Issued
Tuesday, September 3, 1940
84 years ago
CPC
B23Q35/128 - Sensing by using optical means
Y10T409/301792 - including means to sense optical or magnetic image
Y10T409/302464 - including plural cutters
US Classifications
409 - Gear cutting, milling, or planing
250 - Radiant energy
451 - Abrading
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