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Patents > National tech categories: DE 77h.5 & First filing : No or Other & Number of claims: 3-5

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airplane (19) · frame (15) · wings (11) · design (9) · construction (7) · fuselage (6) · control (5) · stability (4) · biplane (4) · whole (3) · Tragfläche (3) · metal (2) · lift (2) · None (2)
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Showing below up to 36 results in range #1 to #36.

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