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Patents > National tech categories : DE 77h.6 or FR 6.3 & First filing: None

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Christian Lorenzen (4) · Yon (3) · Jakob Haw (3) · E. J. Delaurier (3) · None (2) · Boiffin (2) · Phérékyde (2) · Marc Runkel (2) · Foucher (2) · Ferdinand-Charles-Honoré-Philippe d'Esterno (2) · Boubillon (2) · Haarbleicher (2)
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None (63) · Desnos (6) · Blétry aîné (5) · Dieuaide (3) · Chassevent (3) · la Société Internationale des Inventions modernes, boul. Saint-Denis, 15 bis Paris (2) · Josse (2) · Bardin (2) · Armengaud aîné (2) · Digeon (2) · Nauhardt (2) · Caron (2) · Fayollet (2) · Maurice Sautter (2)
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