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Patents > National tech categories : FR 5.8 or GB 4 propel & steer & Number of figures: 3-20

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Office:
Inventors:
Robert Esnault-Pelterie (7) · None (4) · Pierre-Georges Unné (3) · Georges-Henri-Marius Canton (3) · Octave Chanute (2) · John Marshall (2) · Émile-Jean-Jules Salmson (2) · Jan Jaakson (2) · Pierre Llaty (2)
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Tech fields:
propulsion (19) · motors (14) · navigation (10) · LTA (9) · airplane (7) · marine (7) · propeller (6) · frame (6) · wings (5) · rudder (5) · aerostat (5) · flapping (5) · internal combustion (5) · heavier-than-air (4) · design (4) · cylinders (4) · stability (4) · subsystem (4)
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CPCs:
None (18) · CPC H02K21/42 (4) · CPC B64C11/04 (4) · CPC F01L1/04 (4) · CPC B64C11/006 (3) · CPC F02B57/08 (3) · CPC Y02E10/20 (2) · CPC F02M1/00 (2) · CPC F03B17/066 (2) · CPC F02M2700/4392 (2) · CPC B64C33/02 (2)
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