[Mechanical systems technology branch]
Subtitle: [research summary, 1985-1992].
Contributors: United States. National Aeronautics and Space Administration.
Series: NASA technical memorandum -- NASA TM-106329.; NASA technical memorandum -- 106329.
Publisher: National Aeronautics and Space Administration; National Technical Information Service, distributor
Published: 1993
Place of publication: Washington, DC; [Springfield, Va
Language: eng
Format: Microform
Subjects: Helicopters -- Transmission devices.; Gearing.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 94-0069-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1993] 1 microfiche.