Peter Alberg

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Kaufering, DE

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic annular core bit
- Patent number 6,948,574
- Issue date Sep 27, 2005
- Hilti Aktiengesellschaft
- Till Cramer
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Ultrasonic annular core bit
- Publication number 20030146024
- Publication date Aug 7, 2003
- Till Cramer
- B28 - WORKING CEMENT, CLAY, OR STONE