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Patents > Inventor country : CA or CH or NL & Supplementary to patent : Patent FR-1910-423792 or None & National tech categories : BE K or DE 77 or FR 6.4 or NL 62.5 or USPC 244/153R

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Inventors:
Société Industrielle Suisse (2) · Joseph Deixler (2) · Joseph Wetterwald (2) · Carl Friedrich Billwiller (2) · Léon Dufour (2) · Emanuel Spreekmeester (2)
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Tech fields:
LTA (13) · Airplane (8) · Frame (7) · propulsion (5) · construction (5) · propeller (4) · control (4) · None (4) · steering (4) · stability (3) · Lift (3) · subsystem (3) · design (3) · Aerodynamics (3) · Navigation (3)
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Showing below up to 44 results in range #1 to #44.

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