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Patents > Patent agent: E. Bletry & Citations from after 1930: None & Number of text pages: 2-3

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None (17) · Airplane (10) · propulsion (6) · design (6) · Subsystem (5) · aerodynamics (5) · propellers (5) · navigation (4) · stability (4) · LTA (4) · construction (3) · frame (3) · Whole (3) · lift (3) · monoplane (2) · propeller (2) · sustentation (2) · Seaplane (2) · automatic stability (2) · Aerostat (2)
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None (5)
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CPCs:
CPC B64C17/00 (6) · CPC B64C39/00 (5) · CPC B64C3/385 (3) · CPC B64C2700/6295 (3) · CPC B64B1/00 (3) · CPC B64C2700/6212 (3) · CPC A63H27/08 (2) · CPC B64C39/10 (2) · CPC B64C33/00 (2) · CPC B64D35/04 (2) · CPC B64C11/18 (2) · CPC B64C11/04 (2) · CPC B64C11/006 (2) · CPC B64B1/58 (2)
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