File:Translation Résumé French patent 1918.pdf

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Translation_Résumé_French_patent_1918.pdf(file size: 54 KB, MIME type: application/pdf)

Summary

Translation of the French patent n°505,703 deposited on September 17th 1918

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current15:47, 23 January 2020 (54 KB)Bleridon (talk | contribs)Translation of the French patent n°505,703 deposited on September 17th 1918