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Rotary cutting tool
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Patent number 4,223,580
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Issue date Sep 23, 1980
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Valery A. Sidorenko
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Rotary cutting tool
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Patent number 4,213,358
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Issue date Jul 22, 1980
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Petr I. Yascheritsyn
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Rotary cutting tool
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Patent number 4,191,075
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Issue date Mar 4, 1980
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Fiziko-Tekhnichesky Institut Akademii Nauk Belorusskoi SSR
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Evgeny I. Morgunsky
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Method of machining end faces
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Patent number 4,177,699
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Issue date Dec 11, 1979
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Stanislav A. Dovnar
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR