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FR1337209A
|
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Devices to avoid aircraft collisions
|
|
FR1334311A
|
|
Device improvements to avoid collisions
|
|
GB940293A
|
|
Improvements in and relating to collision warning systems for aircraft
|
|
GB940294A
|
|
Improvements in or relating to air traffic control systems
|
|
FR1337206A
|
|
Improvements to collision calculating devices
|
|
FR1372403A
|
|
Device to avoid collisions between an airplane and an obstacle
|
|
GB912502A
|
|
Improvements in proximity warning devices
|
|
FR1336062A
|
|
Tracking and warning device
|
|
FR1221512A
|
|
Data exchange device
|
|
FR1221964A
|
|
Handset transceiver
|
|
US3035260A
|
|
Range measuring devices
|
|
GB940292A
|
|
Improvements in or relating to colision warning apparatus
|
|
GB897102A
|
|
Improvements in or relating to collision computing apparatus
|
|
GB899132A
|
|
Improvements in or relating to radio apparatus for the avoidance of collisions by aircraft
|
|
FR1209200A
|
|
Improvements to proximity warning devices
|
|
GB912501A
|
|
Transponder ranging apparatus
|
|
GB897101A
|
|
Improvements in collision warning apparatus
|
|
GB897100A
|
|
Improvements in data exchange systems
|
|
GB874268A
|
|
Improvements in proximity warning devices
|
|
GB887864A
|
|
Improvements in proximity warning radio devices
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