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Inner race grinding machine
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Patent number 5,916,013
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Issue date Jun 29, 1999
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Constant Velocity Systems, Inc.
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John O. Naumann
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B24 - GRINDING POLISHING
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Housing grinding machine
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Patent number 5,681,209
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Issue date Oct 28, 1997
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Constant Velocity Systems, Inc.
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John O. Naumann
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B24 - GRINDING POLISHING
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Multiple cage grinding device
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Patent number 5,577,952
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Issue date Nov 26, 1996
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Constant Velocity Systems, Inc.
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John O. Naumann
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B24 - GRINDING POLISHING