Pierre Spiegel

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La Salvetat-Saint-Gilles, FR

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Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR INDICATING A NOISE LEVEL OF A ROTARY-WING AIRCRAFT
- Publication number 20110001637
- Publication date Jan 6, 2011
- DEUTSCHES ZENTRUM FUR LUFT- UND RAMFAHRT E.V.
- Pierre Spiegel
- G01 - MEASURING TESTING