Drilldown: Patents

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Patents > National tech categories: FR 6.2 & Family year: 1900 - 1999 & Number of figures: 5-50

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Tech fields:
propellers (24) · propulsion (24) · Marine (13) · Design (9) · subsystem (8) · aerodynamics (6) · control (6) · Ascension (6) · Navigation (4) · airplane (4) · Sustentation (4) · steering (3) · Construction (3) · propeller (3) · rudder (3)
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CPCs:
CPC B63H1/26 (5) · CPC B63H2001/122 (4) · CPC B64C11/006 (4) · CPC B64C11/16 (3) · CPC B63H1/265 (2) · CPC B63B3/40 (2) · CPC B63H1/12 (2) · CPC B64C11/18 (2) · CPC B63H1/20 (2) · CPC B63H1/36 (2)
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Showing below up to 41 results in range #1 to #41.

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