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Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B64
AIRCRAFT; AVIATION; COSMONAUTICS
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B64U
UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
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50/00
Propulsion; Power supply
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B64U50/20
Transmission of mechanical power to rotors or propellers
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B64U50/23
with each propulsion means having an individual motor
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