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Minnesota Mining & Mfg |
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Fred G Valles |
Cleaning structures
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Agglomerates of metal-coated diamonds in a continuous synthetic resinous phase
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1982-02-09 |
Minnesota Mining And Manufacturing Company |
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1984-03-23 |
1986-11-18 |
Norton Company |
Abrasive material and method for preparing the same
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Alvin P. Gerk |
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1988-09-13 |
Minnesota Mining And Manufacturing Company |
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1987-05-27 |
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Minnesota Mining And Manufacturing Co. |
Abrasive grits formed of ceramic containing oxides of aluminum and rare earth metal, method of making and products made therewith
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Dynabrade, Inc. |
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1992-01-31 |
1993-03-30 |
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Method of making a folded abrasive article
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3M Innovative Properties Company |
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Corning Incorporated |
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Apple Inc. |
Consumable abrasive tool for creating shiny chamfer
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3M创新有限公司 |
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