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De La Chevardiere De La Gr Henri-Joseph-Leon-Marie
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HENRI-JOSEPH-LEON-MARIE de la CHEVARDIERE de la GRAND-VILLE
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HENRI-JOSEPH-LEON-MARIE de la CHEVARDIERE de la GRAND-VILLE
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Application filed by HENRI-JOSEPH-LEON-MARIE de la CHEVARDIERE de la GRAND-VILLEfiledCriticalHENRI-JOSEPH-LEON-MARIE de la CHEVARDIERE de la GRAND-VILLE
Application grantedgrantedCritical
Publication of FR492376ApublicationCriticalpatent/FR492376A/fr
B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
B64C11/16—Blades
B64C11/20—Constructional features
B64C11/205—Constructional features for protecting blades, e.g. coating
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Engineering & Computer Science
(AREA)
Aviation & Aerospace Engineering
(AREA)
FR492376D1916-09-111916-09-11Perfectionnements apportés aux hélices, telles, notamment, que celles pour engins de navigation aérienne
ExpiredFR492376A
(fr)
Perfectionnements apportés aux constructions telles, notamment, que les hangars démontables et que, et surtout, les hangars démontables pour engins de navigation aérienne