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Patents > Office: US & Inventor country : AT or NL & Applicant type : COMPANY + INDIV or Other

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Tech fields:
airplane (8) · Wings (7) · Frame (5) · propulsion (3) · Flapping (3) · design (3) · construction (3) · propellers (3) · LTA (2) · navigation (2) · airship (2) · lift (2) · propeller (2) · stability (2)
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Showing below up to 21 results in range #1 to #21.

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