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Patents > Applicant person : Josef Bercz or None & Number of figures: 15-40

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airplane (20) · frame (18) · stability (14) · design (9) · hybrid (7) · propulsion (7) · wings (7) · navigation (7) · propeller (7) · marine (6) · construction (6) · safety (5) · whole (5)
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None (17) · CPC B64C2001/0063 (4) · CPC B64C2001/0081 (2) · CPC B64C1/00 (2) · CPC B64C1/06 (2) · CPC B64C2700/6295 (2)
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