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Patents > Office : DE or RU & Applicant firm : Dortmunder Brückenbau C. H. Jucho or None & CPCs: None & Number of figures: None

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None (222) · Hermann Ruthenberg (2) · William Swart Romme (2) · Vassily Rebikov (2) · Franz Schneider (2)
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Tech fields:
None (171) · LTA (30) · airplane (20) · propulsion (16) · navigation (14) · propeller (13) · balloon (12) · flying machine (12) · gas (10) · stability (9) · instrument (9) · ICE (8) · engine (8) · Frame (8) · parachute (7) · marine (6) · motor (6) · design (6) · Propellers (6) · piloting (6)
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