Hans J. Spiess

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Zurich, CH

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Patents Grantslast 30 patents

Information Patent Grant
Clamping apparatus for clamping cutter blades of a gear cutting mac...
- Patent number 4,287,686
- Issue date Sep 8, 1981
- Werkzeugmaschinenfabrik Oerlikon Buhrle AG
- Erich Kotthaus
- B24 - GRINDING POLISHING