Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B64
AIRCRAFT; AVIATION; COSMONAUTICS
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B64D
EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
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1/00
Dropping, ejecting, releasing or receiving articles, liquids, or the like, in flight
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B64D1/16
Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
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B64D1/18
by spraying, e.g. insecticides
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