File:Patents, 1916-17 Chilowsky and Langevin.pdf
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Patents,_1916-17_Chilowsky_and_Langevin.pdf (file size: 126 KB, MIME type: application/pdf)
Summary
[P1] Chilowsky CM, Langevin MP. "Procédés et appareils pour la production de signaux sous-marins dirigés et pour la localisation à distance d’obstacles sous-marins"- "Production of submarine signals and the location of submarine objects" - French patent #502913, 1916
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 10:05, 19 July 2019 | (126 KB) | Bleridon (talk | contribs) | [P1] Chilowsky CM, Langevin MP. "Procédés et appareils pour la production de signaux sous-marins dirigés et pour la localisation à distance d’obstacles sous-marins"- "Production of submarine signals and the location of submarine objects" - French... |
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