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Tap drill with enhanced performance
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Patent number 11,413,695
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Issue date Aug 16, 2022
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OERLIKON SURFACE SOLUTIONS AG, PFAFFIKON
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Denis Kurapov
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Low torque tap
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Patent number 7,144,208
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Issue date Dec 5, 2006
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Kennametal Inc.
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Willard E. Henderer
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Threading tap
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Patent number 5,487,626
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Issue date Jan 30, 1996
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Sandvik AB
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Peder Von Holst
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR