Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B64
AIRCRAFT; AVIATION; COSMONAUTICS
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B64C
AEROPLANES; HELICOPTERS
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27/00
Rotorcraft; Rotors peculiar thereto
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B64C27/001
Vibration damping devices
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B64C2027/003
mounted on rotor hub, e.g. a rotary force generator
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