Hans Zeiringer

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Kappel am Krappfeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and device for preparing an abrasive
- Patent number 5,603,738
- Issue date Feb 18, 1997
- Treibacher Schleifmittel AG
- Hans Zeiringer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES