File:Patents, 1916-17 Chilowsky and Langevin.pdf

Revision as of 10:05, 19 July 2019 by 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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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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current10:05, 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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