Technical advice to eliminate defects during the operation of a three -shot indicator

Technical advice on eliminating defects during the operation of a three -shot indicator / Ex.tech.operation of the Air Force of the Red Army.- [Moscow]: 1st type.Ex.Military Publishing House NPO named afterS.K.Tymoshenko, [1942].-6, [1] p.: silt .. -Ex.: Without Titus.l.and region..I. Management of tech.Operation of the Air Force of the Red Army. 1.People (collection).Electronic copy source: PBOriginal storage location: RSG