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CLAUDE HIPPOLYTE ETIENNE DOUBL
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CLAUDE HIPPOLYTE ETIENNE DOUBL
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Application filed by CLAUDE HIPPOLYTE ETIENNE DOUBLfiledCriticalCLAUDE HIPPOLYTE ETIENNE DOUBL
Application grantedgrantedCritical
Publication of FR446882ApublicationCriticalpatent/FR446882A/en
B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWERÂ PLANTSÂ OR PROPULSION TRANSMISSIONS IN AIRCRAFT
B64D17/00—Parachutes
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Engineering & Computer Science
(AREA)
Aviation & Aerospace Engineering
(AREA)
FR446882A1912-08-031912-08-03
Automatic parachute for airplanes
ExpiredFR446882A
(en)