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Patents > Tech fields: stability & Grant date: 1912 & National tech categories: FR 6.4

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Adolphe-François-Joseph Doutre (3) · Carlo Navaro (2) · Louis Marmonier (2) · Jules-Stéphane Eicher (2) · François d’Astanières (2) · Casimir-Louis Achard (2)
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Adolphe-François-Joseph Doutre (3) · Carlo Navaro (2) · Louis Marmonier (2) · François d’Astanières (2) · Jules-Stéphane Eicher (2) · Casimir-Louis Achard (2)
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