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Method of aspiration casting
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Patent number 4,458,741
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Issue date Jul 10, 1984
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Cabot Corporation
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Sankar P. Iyer
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Methods and apparatus for glass removal
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Patent number 4,183,769
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Issue date Jan 15, 1980
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Cabot Corporation
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James C. Ailor
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Vacuum casting heads and clamps
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Patent number 4,098,499
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Issue date Jul 4, 1978
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Cabot Corporation
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H. Joseph Klein
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR