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Hi,
the US Modus Engineering of Cincinnati designed a new rotorcraft
concept.
http://www.flightglobal.com/PDFArchive/View/1991/1991%20-%200469.html
the US Modus Engineering of Cincinnati designed a new rotorcraft
concept.
http://www.flightglobal.com/PDFArchive/View/1991/1991%20-%200469.html