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US3494578A
(en)
|
|
Centroidally supported modular tetrahedron structure
|
|
US1861065A
(en)
|
|
Screw-propeller for flying machines and other aerodynamics apparatus
|
|
SE125728C1
(OSRAM)
|
|
|
|
US1431521A
(en)
|
|
Truss |
|
US2259624A
(en)
|
|
Construction element for aircraft
|
|
US1854330A
(en)
|
|
Metallic construction of aircraft
|
|
US1818426A
(en)
|
|
Toy airplane
|
|
US1462533A
(en)
|
|
Fuselage construction for aircraft
|
|
US850490A
(en)
|
|
Nested toy blocks.
|
|
US2472137A
(en)
|
|
Kite
|
|
US2863513A
(en)
|
|
Helicopter rotor blade
|
|
GB305298A
(en)
|
|
Improvements in or relating to aerofoils and like structures
|
|
GB1061003A
(en)
|
|
Improvements in or relating to structures comprising structural elements joined together
|
|
US2827967A
(en)
|
|
Helicopter rotor blade
|
|
US2071317A
(en)
|
|
Aeroplane wing structure
|
|
US2353447A
(en)
|
|
Method of producing structural elements
|
|
US1790715A
(en)
|
|
F mazzini |
|
US1214955A
(en)
|
|
Aeroplane-rib.
|
|
DE565819C
(de)
|
|
Antennenmast
|
|
US1743284A
(en)
|
|
Aeroplane
|
|
US1559173A
(en)
|
|
Screw propeller
|
|
GB127844A
(en)
|
|
Improvements in the Construction of and Method of Joining Together, Girders, Beams, Struts and other Frame Members of Air-ships.
|
|
GB520249A
(en)
|
|
Improvements in stressed-skin structures of fuselages, wings and other hollow bodies of aircraft
|
|
GB127665A
(en)
|
|
Improvements in the Construction of Girders, Beams, Struts and the like for Air Craft and other purposes.
|
|
US1012507A
(en)
|
|
Wooden propeller.
|