Front cover image for Advanced gearbox technology : advanced counter-rotating gearbox : detailed design report, Aug. 1984- Jan. 1987.

Advanced gearbox technology : advanced counter-rotating gearbox : detailed design report, Aug. 1984- Jan. 1987.


Microform, English, [1988]
National Aeronautics and Space Administration ; [National Technical Information Service, distributor], [Washington, DC], [Springfield, Va.], [1988]