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Patents > Year filed: 1900 - 1909 & National tech categories: FR 6.4 & CPCs: CPC B64B1/00

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None (7) · Ottavio Ricaldoni (3) · Gaetano Arturo Crocco (3) · Leonardo Torres Quevedo (2) · Adolphe Clément-Bayard (2) · Marie-François-Pierre Vialard-Goudou (2) · Theodor Zorn (2) · Louis-Étienne Roze (2) · Gabriel Iochum, aîné (2)
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None (11) · Ottavio Ricaldoni (3) · Louis-Étienne Roze (2) · Gabriel Iochum, aîné (2) · Gaetano Arturo Crocco (2) · Marie-François-Pierre Vialard-Goudou (2) · Leonardo Torres Quevedo (2) · Adolphe Clément-Bayard (2) · Theodor Zorn (2)
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None (6)
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