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Patents > Tech fields : aerodynamics or human-powered & Number of figures: None

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Inventors:
Louis Constantin (6) · None (4) · Julien de Houck (3) · Charles Pregaldino (2) · Heinrich Noll (2) · Jean Constantin (2) · Hans Knudsen (2) · Hanns Pippart (2) · Gustave Eiffel (2) · John Washington Wilson (2) · Lucien Chauvière (2) · Ignaz Etrich (2) · Howard de Walden (2) · C. Delalandre (2) · Sam Leonard Walkden (2) · Antoine-Padoue Filippi (2)
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None (31) · Louis Constantin (4) · Julien de Houck (3) · Charles Pregaldino (2) · Heinrich Noll (2) · Hanns Pippart (2) · Jean Constantin (2) · John Washington Wilson (2) · Louis Joseph Constantin (2) · Lucien Chauvière (2) · Ignaz Etrich (2) · C. Delalandre (2) · Sam Leonard Walkden (2)
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