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Patents > Office: DE & Granted: Yes & CPCs : CPC B64C3/00 or CPC B64C35/00

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Tech fields:
frame (25) · airplane (24) · None (19) · construction (14) · design (13) · hydroaeroplane (11) · wings (11) · biplane (8) · wing (5) · marine (5) · Fuselage (5) · subsystem (4) · airfoil (3) · Tragfläche (3) · metal (3) · hybrid (3) · buoyancy (3) · chassis (3) · lift (3)
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None (27)
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Showing below up to 71 results in range #1 to #71.

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