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Displaying 1-3 of 3 results for author "Parr, R. A."
Gradient tempering process [microform] / inventor, Richard A. Parr.
- Text
- [Washington, DC : National Aeronautics and Space Administration, 1992]
- 1992
Determination of the gaseous hydrogen ductile-brittle transition in copper-nickel alloys [microform] / by R.A. Parr ... [et al.].
- Text
- [Marshall Space Flight Center, AL] : National Aeronautics and Space Administration, George C. Marshall Space Flight Center ; [Springfield, Va. : For sale by the National Technical Information Service, 1985]
- 1985
- 1 Resource
Available Online
http://purl.access.gpo.gov/GPO/LPS70459A study of the solidification parameters influencing structure and properties in MAR-M246 (Hf) [microform] / by M. H. Johnston and R. A. Parr.
- Text
- [Marshall Space Flight Center, Ala.] : National Aeronautics and Space Administration, George C. Marshall Space Flight Center, [1984]
- 1984
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