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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2101/00
UAVs specially adapted for particular uses or applications
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B64U2101/55
for life-saving or rescue operations; for medical use
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B64U2101/57
for bringing emergency supplies to persons or animals in danger, e.g. ropes or life vests
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