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METHOD OF MODERNISING AN AIRFRAME AND REPLACING TURBOJET ENGINES OF A AIRCRAFT, IN PARTICULAR OF THE PZL I-22 IRYDA TRAINING AND COMBAT AIRCRAFT BY WAY OF EXAMPLE
METHOD OF MODERNISING AN AIRFRAME AND REPLACING TURBOJET ENGINES OF A AIRCRAFT, IN PARTICULAR OF THE PZL I-22 IRYDA TRAINING AND COMBAT AIRCRAFT BY WAY OF EXAMPLE
