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Tester for aircraft altitude reporting system
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Altitude-reporting encoder system
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Altitude reporter
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Means for preventing cross-talk effects in a two-channel system
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Pulse control neutralization system
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Altitude indicating and reporting system
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Turn computer
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Sea depth determination air survey means
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Airway traffic indicator
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Method of ascertaining unknown data
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Herald trainer
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Echo injector
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Plotter indicator for harbor defense
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CA906078A
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Altitude indicating and reporting system
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