Drilldown: Patents

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Patents > Inventor country : CA or SE & Filing date: 1900 - 1909

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Tech fields:
propulsion (15) · Airplane (14) · frame (12) · Wings (10) · marine (9) · None (8) · navigation (8) · Flapping (8) · Design (8) · stability (7) · propeller (7) · LTA (6) · Aerodynamics (6) · Construction (5) · rudder (4) · paddles (3) · wing (3) · Lift (3)
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None (15) · HU V/h (3) · FR 6.4 (3) · DPK 62b (2) · USPC 244/119 (2) · USPC 244/51 (2) · SE 70a (2) · DK 77 (2) · AT 77d (2)
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