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Investigation of the Muffling Problem for Airplane Engines
| Author: | Upton, G. B. |
|---|---|
| Year: | 1920 |
| Document Type: | N/A |
| Series: | NACA Technical Reports |
| Report Number: | NACA-TR-55 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc65707/ |
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