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Patents > Inventors : Edward De Jongh or None & Number of text pages: 4-5

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airplane (13) · construction (9) · stability (6) · LTA (5) · frame (5) · design (5) · Subsystem (5) · None (4) · propulsion (3) · navigation (3) · propeller (3) · dirigibles (3)
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None (7) · CPC B64B1/00 (6) · CPC B64C17/00 (5) · CPC B64C3/00 (4) · CPC B64C35/00 (4) · CPC B64C2700/6235 (3) · CPC B64C2700/6218 (3) · CPC B64C23/005 (2) · CPC B64C2700/6211 (2) · CPC B64C3/54 (2) · CPC B64C2001/0063 (2)
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