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Patents > National tech categories: DE 77h.5 & First filing: No & Number of diagram pages: 1-4

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Tech fields:
airplane (33) · frame (19) · construction (17) · design (17) · wings (12) · control (12) · stability (10) · airfoil (8) · Tragfläche (8) · navigation (6) · biplane (6) · rudder (5) · fuselage (4) · lift (4) · aerodynamics (4)
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Supplementary to patent:
None (26) · Patent FR-1907-373763 (2) · Patent DE-1918-388537 (2)
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CPCs:
CPC B64C13/00 (12) · CPC B64C3/00 (11) · CPC B64C2700/6235 (7) · None (5) · CPC B64C17/00 (5) · CPC B64C3/385 (4) · CPC B64C3/52 (3) · CPC B64C3/18 (3) · CPC B64C9/02 (3) · CPC B64C2700/6259 (2) · CPC B64C3/44 (2) · CPC B64C2700/6233 (2) · CPC B64C39/00 (2)
First filing: (Click arrow to add another value)
Cites these patents:
Citations from after 1930:
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