Lotte Herrmann

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Schlatt, CH

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Patents Grantslast 30 patents

Information Patent Grant
Flexible and extensible coated abrasive material
- Patent number 4,606,154
- Issue date Aug 19, 1986
- SIA Schweizer Schmirgel- und Schleif-Industrie AG
- Lotte Herrmann
- B24 - GRINDING POLISHING