Some design philosophy for reducing the community noise of advanced counter-rotation propellers [microform] / James H. Dittmar.
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Main Author: | |
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Corporate Author: | |
Format: | Government Document Microfilm Book |
Language: | English |
Published: |
[Cleveland, Ohio] :
[National Aeronautics and Space Administration, Lewis Research Center],
[1985]
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Series: | NASA technical memorandum ;
87099. |
Subjects: |