In Russian. Keller, Oleg Konstantinovich. Ultrasonic cleaning technology. Leningrad: 1971. Tekhnologiya ul'trazvukovoy ochistki. In Russian /Ultrasonic cleaning technology . All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7392950
In Russian. Keller, Oleg Konstantinovich. Ways to increase the efficiency of ultrasound cleaning. Puti povysheniya effektivnosti ul'trazvukovoy ochistki. In Russian /Ways to Improve the Efficiency of Ultrasonic Cleaning . All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU1017414
In Russian. Keller, Oleg Konstantinovich. Ultrasonic generators on transistors and thyristors. Moscow: Machine Building, 1978 Ultrazvukovye generatory na tranzistorakh i tiristorakh/Ultrasonic generators on transistors and thyristors In Russian. All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7643976
In Russian. Keller, Oleg Konstantinovich. Ultrasonic cleaning units. Moscow: Informelectro, 1978 All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7643977