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Grinding machine
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Patent number 6,443,818
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Issue date Sep 3, 2002
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Unova U.K. Limited
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Russell Graham Bent
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B24 - GRINDING POLISHING
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Grinding machine
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Patent number 5,971,836
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Issue date Oct 26, 1999
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Seiko Seiki Kabushiki Kaisha
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Toshiharu Kogure
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B24 - GRINDING POLISHING
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2932926
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Patent number 2,932,926
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Issue date Apr 19, 1960
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B24 - GRINDING POLISHING
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2409340
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Patent number 2,409,340
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Issue date Oct 15, 1946
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B24 - GRINDING POLISHING
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2221638
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Patent number 2,221,638
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Issue date Nov 12, 1940
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B24 - GRINDING POLISHING
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2137140
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Patent number 2,137,140
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Issue date Nov 15, 1938
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B24 - GRINDING POLISHING
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1517073
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Patent number 1,517,073
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Issue date Nov 25, 1924
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B24 - GRINDING POLISHING