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Patents > Grant date: 1913 & IPCs : IPC B64B1/22 or IPC B64C1/00

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Otto Albin Budig (3) · Alexander Blair Thaw (3) · None (2) · Francesco Filiasi (2) · Louis-Julien Bonhomme (2) · Henry Converse Fisk (2) · Jean-François Arnaud (2) · Albéric de la Celle (2)
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None (3) · Otto Albin Budig (3) · Alexander Blair Thaw (3) · Francesco Filiasi (2) · Louis-Julien Bonhomme (2) · Henry Converse Fisk (2) · Jean-François Arnaud (2) · Albéric de la Celle (2)
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None (11) · None (6) · Dupont et Elluin (4) · H. Boettcher fils (2) · E. Blétry (2) · Marks & Clerk (2) · Schwab (2) · Rigot et Prévost (2)
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