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Patents > Office : CA or DE or FR or SE & Inventor country : BE or CH & Number of text pages: 3-70

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Tech fields:
Airplane (23) · Control (12) · Steering (10) · stability (10) · propulsion (10) · propellers (9) · design (8) · subsystem (8) · construction (7) · navigation (5) · LTA (5) · wings (5) · frame (4) · rudder (4) · rarefaction (3) · lift (3) · Dirigibles (3)
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None (6)
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CPCs:
CPC B64C17/00 (15) · CPC B64C2700/6212 (10) · CPC B64C2700/6218 (4) · CPC B64C39/00 (3) · None (2) · CPC B64C11/006 (2) · CPC B64D35/08 (2) · CPC B64C2700/6295 (2) · CPC B64B1/62 (2) · CPC B64B1/58 (2)
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