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US4534384A
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Reel system for axially extending hose
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Cable laying system
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US2995321A
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Fluid transfer systems
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US3011737A
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Aerial drogues
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Pipe couplings
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US2904351A
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Pipe-coupling devices
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US2973171A
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In-flight connection for aircraft
|
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Check valve
|
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US2973163A
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Apparatus for trailing a fluid-transmitting hose or tow-line from an aircraft
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US2822442A
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Electric switches and operating means therefor
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US2788243A
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Hose-reels with means for jettisoning the hose and sealing the hose connection
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US2887297A
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Hose-or cable-carrying winches
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US2855223A
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Self-engaging and self-sealing pipe couplings especially applicable to flight refuelling purposes
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US2918313A
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Ball and socket pipe coupling with lubricated seal
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|
US2879017A
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Apparatus for interconnecting aircraft in flight
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|
US2819729A
|
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Pressure relief valves for fuel tanks
|
|
US2796884A
|
|
Liquid level control device
|
|
US2833299A
|
|
Valve devices for controlling the flow of fluids
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