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Indexable thread forming tap
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Patent number 9,533,363
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Issue date Jan 3, 2017
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OSG Corporation
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Jiro Osawa
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Thread former or tap
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Patent number 7,112,143
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Issue date Sep 26, 2006
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Fette GmbH
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Wolfgang Muller
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drilling and threading tool
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Patent number 5,733,078
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Issue date Mar 31, 1998
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OSG Corporation
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Takayuki Matsushita
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1202195
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Patent number 1,202,195
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Issue date Oct 24, 1916
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR