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1989-05-16 |
Alvin P. Gerk |
Process for durable sol-gel produced alumina-based ceramics, abrasive grain and abrasive products
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1988-08-25 |
1990-02-06 |
Norton Company |
Frit bonded abrasive wheel
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1988-08-25 |
1993-03-09 |
Showa Denko K.K. |
Abrasive grain and method for manufacturing the same
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1989-02-01 |
1990-08-09 |
Showa Denko Kabushiki Kaisha |
Alumina ceramic, abrasive material, and production thereof
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1989-09-11 |
1991-03-05 |
Norton Company |
Nitrified bonded sol gel sintered aluminous abrasive bodies
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1994-02-24 |
Starck H C Gmbh Co Kg |
Gesinterter Verbundschleifkörper, Verfahren zu seiner Herstellung sowie dessen Verwendung
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2005-01-12 |
昭和電工株式会社 |
アルミナ質焼結砥粒およびその製造方法
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2004-01-22 |
2005-08-04 |
Noritake Co Ltd |
サファイア研磨用砥石およびサファイア研磨方法
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2008-08-14 |
Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh |
Nanokristalline Sinterkörper auf Basis von Alpha-Aluminiumoxyd, Verfahren zu Herstellung sowie ihre Verwendung
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2017-12-27 |
2023-06-06 |
Showa Denko K.K. |
Precursor of alumina sintered body, method for producing alumina sintered body, method for producing abrasive grains, and alumina sintered body
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