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Patents > CPCs : CPC B64C23/005 or CPC G01C21/18 & Number of text pages: 5-14

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Inventors:
Bruno von Bültzingslöwen (2) · John William Oman (2)
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Applicant person:
None (2) · John William Oman (2) · Bruno von Bültzingslöwen (2)
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Tech fields:
None (13) · Airplane (13) · Frame (10) · stability (9) · propulsion (8) · propeller (7) · Hybrid (7) · Whole (6) · takeoff (6) · Design (6) · ascension (5) · helicopter (5) · HTA (5) · wheels (3) · Propellers (3) · navigation (3) · gyroscope (3)
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