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Start Over You searched for: Author Civil Aeronautics Authority Remove constraint Author: Civil Aeronautics Authority Catalog Issue Year Decade 1940 - 1949 Remove constraint Catalog Issue Year Decade: 1940 - 1949

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271. Radar. Radar air for air traffic control.

272. Radar. Radar air for air traffic control. French.

273. Radar. Radar air for air traffic control. Spanish.

280. Radio. Radio pulse distance measuring equipment.