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Friction forming
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Patent number 5,469,617
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Issue date Nov 28, 1995
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The Welding Institute
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Wayne M. Thomas
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Friction welding
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Patent number 5,460,317
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Issue date Oct 24, 1995
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The Welding Institute
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Wayne M. Thomas
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Surfacing method
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Patent number 4,959,241
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Issue date Sep 25, 1990
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The Welding Institute
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Wayne M. Thomas
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR