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Patents > Office : FR or LU & Filing date: 1910 - 1919 & National tech categories: FR 6.2

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Tech fields:
propulsion (38) · Propellers (33) · marine (14) · Design (13) · subsystem (10) · Ascension (8) · Sustentation (6) · aerodynamics (6) · airplane (6) · propeller (5) · control (5) · navigation (5) · Construction (5) · lift (3) · Gyroscope (3) · stability (3)
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None (17)
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CPCs:
CPC B63H1/26 (9) · CPC B64C11/16 (8) · CPC B64C11/006 (6) · CPC B63H2001/122 (5) · CPC B63H1/12 (4) · CPC B64C11/04 (3) · CPC B63H1/20 (3) · CPC B63H1/265 (3) · CPC B63H1/36 (3) · CPC B64C11/00 (2) · CPC B63B2745/00 (2) · CPC B64C11/22 (2) · CPC B64C11/24 (2) · CPC B64C11/18 (2) · CPC B63H1/28 (2) · CPC B63B3/40 (2)
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Showing below up to 58 results in range #1 to #58.

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