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Characteristic analysis and shape optimal design of a ring-type traveling wave ultrasonic motor

Jong-Suk Ro, Kyung-Pyo Yi, Tae-Kyung Chung and Hyun-Kyo Jung

Eur. Phys. J. Appl. Phys., 63 1 (2013) 10901

DOI: https://doi.org/10.1051/epjap/2013130069

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