Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B64
AIRCRAFT; AVIATION; COSMONAUTICS
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B64D
EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
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35/00
Transmitting power from power plants to propellers or rotors; Arrangements of transmissions
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B64D35/02
specially adapted for specific power plants
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B64D35/021
for electric power plants
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B64D35/022
of hybrid-electric type
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B64D35/023
of series-parallel type
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