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- Corporate/Agency Authors:
- Scientific Research and Development Office and President of United States
- Publisher:
- Scientific Research and Development Office
- Date:
- [1942.]
- SuDoc number:
- Pr 32.413/5:(letter-nos.)
- Corporate/Agency Authors:
- Scientific Research and Development Office and President of United States
- Publisher:
- Scientific Research and Development Office
- Date:
- Aug. 18, 1941
- SuDoc number:
- Pr 32.413:T 17