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CPC
B23D2277/58
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B23
Machine tools
B23D
PLANING SLOTTING SHEARING BROACHING SAWING FILING SCRAPING LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
B23D2277/00
Reaming tools
Current Industry
B23D2277/58
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last 30 patents
Information
Patent Grant
1347740
Patent number
1,347,740
Issue date
Jul 27, 1920
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR