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Patents > Inventor country: FR & Publication date: 1920 & Number of text pages: 2

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Tech fields:
airplane (13) · design (9) · propulsion (7) · propellers (7) · frame (6) · aerodynamics (5) · wings (4) · construction (4) · hydroaeroplane (4) · control (4) · stability (3) · navigation (3) · motors (3) · None (3)
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CPC B64C35/00 (5) · None (3) · CPC B64C13/00 (3) · CPC B64C3/00 (3) · CPC F05B2260/72 (2) · CPC F05B2240/211 (2) · CPC F03D3/067 (2) · CPC B64F2700/6276 (2) · CPC B64C2700/6256 (2) · CPC B64C2700/6235 (2) · CPC B64C3/385 (2) · CPC B64C11/006 (2) · CPC B63H1/26 (2)
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