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Patents > Inventors : Wilhelm Schroeder or None & Assigned to: None & National tech categories : DE 77h or DE 77h.5 or USPC 244/22 & First filing : No or Other & Number of text pages: 1-2

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airplane (23) · frame (15) · construction (11) · biplane (8) · design (7) · None (6) · fuselage (5) · wings (5) · piloting (3) · steering (3) · navigation (3) · military (3) · subsystem (3) · propulsion (2) · safety (2) · propeller (2) · gun (2) · whole (2)
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Showing below up to 38 results in range #1 to #38.

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