Drilldown: Patents

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Patents > Office: HU & Inventor country : DE or RU or US & IPCs: None & Number of claims: 1-2 & Number of figures: 3-4

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Tech fields:
airplane (9) · construction (8) · design (7) · LTA (6) · airship (6) · frame (5) · Aerodynamics (4) · Propellers (4) · propulsion (3) · Subsystem (3) · motors (2) · heavier-than-air (2) · Dirigibles (2) · Hybrid (2) · Balloons (2) · Whole (2) · chassis (2) · texture (2) · wings (2)
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Showing below up to 29 results in range #1 to #29.

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