Drilldown: Patents

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Patents > Tech fields : aerodynamics or hooks & Number of figures: None

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Louis Constantin (5) · None (3) · Julien de Houck (3) · Charles Pregaldino (2) · Howard de Walden (2) · Ignaz Etrich (2) · Hans Knudsen (2) · Hanns Pippart (2) · Gustave Eiffel (2) · Heinrich Noll (2) · Sam Leonard Walkden (2) · Antoine-Padoue Filippi (2)
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None (20) · Louis Constantin (4) · Julien de Houck (3) · Heinrich Noll (2) · Hanns Pippart (2) · Sam Leonard Walkden (2) · Charles Pregaldino (2) · Ignaz Etrich (2)
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