4. Abrasive tool making process, material, or composition
  5. Impregnating or coating an abrasive tool

Hisao Matsushima

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Grinding wheel having high impact resistance, for grinding rolls

Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent

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Roll changing apparatus of rolling mill

Metal deforming – By use of roller or roller-like tool-element – With carrier for roller-couple or tool-couple
Reexamination Certificate

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Profile ID: LFUS-PAI-P-4583

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