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Patents > Year filed: 1914 & IPCs : IPC B64C13/00 or IPC B64C17/00

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None (4) · Frederik Marius Frederiksen (2) · Alexander Blair Thaw (2) · Aladar Zoltán (2) · Antonio Gustiana (2) · Attila Pédery (2) · Desiderius Varsányi (2) · Gaston Madeira (2)
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None (4) · Frederik Marius Frederiksen (2) · Alexander Blair Thaw (2) · Aladar Zoltán (2) · Antonio Gustiana (2) · Attila Pédery (2) · Desiderius Varsányi (2) · Gaston Madeira (2)
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