Rolf Keller

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Pfaffhausen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Measuring apparatus, especially for measuring forces acting upon a...
- Patent number 4,281,539
- Issue date Aug 4, 1981
- SRO-Kugellagerwerke J. Schmid-Roost AG
- Rolf Keller
- G01 - MEASURING TESTING