Materials for helicopter gears.

Bibliographic Details

Corporate Author:	National Materials Advisory Board (U.S.)
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : National Aeronautics and Space Administration, October 1979.
Series:	NASA contractor report ; 163068.
Subjects:	Aircraft design. Alloys. Helicopters. Carburizing.
Online Access:	https://purl.fdlp.gov/GPO/gpo150881