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Patents > CPCs : CPC B64C2700/6295 or CPC B64C3/18 or CPC B64C33/02

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Tech fields:
None (545) · Airplane (200) · frame (154) · design (114) · flapping (101) · wings (91) · propulsion (84) · stability (83) · Construction (74) · ornithopter (60) · navigation (57) · Rudder (50) · aerodynamics (48) · propeller (42) · whole (38) · wheels (37) · airfoil (37) · propellers (35) · lift (32) · Control (31)
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Supplementary to patent:
None (906) · Patent FR-1912-446040 (4) · Patent GB-1909-12556 (3) · Patent BE-1910-12-28-Muehter (3) · Patent FR-1916-502839 (3)
Related to aircraft:
National tech categories:
None (502) · FR 6.4 (268) · USPC 244/22 (70) · USPC 244/45R (48) · USPC 244/13 (32) · USPC 244/72 (19) · DE 77h.10 (16) · DE 77 (14) · FR 6.3 (11) · USPC 244/90R (8) · USPC 244/87 (8) · USPC 244/91 (7) · DE 77h.5 (7) · USPC 244/233 (5) · USPC 244/35R (5) · USPC 244/48 (5) · USPC 244/50 (5)
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