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Patents > Year granted: 1910 - 1919 & Tech fields : lift or subsystem & IPCs: IPC B64C1/00

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Inventors:
Albéric de la Celle (3) · Sam Leonard Walkden (3) · Louis Marmonier (3) · None (2) · Desiderius Varsányi (2) · Aladar Zoltán (2) · Pierre-Octave Détable (2) · Attila Pédery (2) · Jules Sandret (2)
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None (4) · Albéric de la Celle (3) · Sam Leonard Walkden (3) · Louis Marmonier (3) · Aladar Zoltán (2) · Jules Sandret (2) · Attila Pédery (2) · Pierre-Octave Détable (2) · Desiderius Varsányi (2)
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None (4)
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