Friedmund Nagel

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Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for active reduction of the noise emission fro...
- Publication number 20010023582
- Publication date Sep 27, 2001
- Friedmund Nagel
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Device and method for the reduction of sound emissions in and diagn...
- Publication number 20010021258
- Publication date Sep 13, 2001
- Friedmund Nagel
- G10 - MUSICAL INSTRUMENTS ACOUSTICS