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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B64C27/54
Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
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B64C27/56
characterised by the control initiating means, e.g. manually actuated
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