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2994989
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Information
Patent Grant
2994989
References
Source
Patent Number
2,994,989
Date Filed
Not available
Date Issued
Tuesday, August 8, 1961
62 years ago
CPC
B23F19/007 - using a gear-shaped tool
B23F19/05 - Honing gear teeth
B23F23/085 - of the continuous type
US Classifications
451 - Abrading
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