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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B64C25/001
Devices not provided for in the groups B64C25/02 - B64C25/68
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B64C2025/008
Comprising means for modifying their length, e.g. for kneeling, for jumping, or for leveling the aircraft
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