发明公开
EP0313352A2 Ultrasonic motor 失效
Ultraschallmotoranordnung。

Ultrasonic motor
摘要:
Provided herein is an ultrasonic motor in which at least fluorocarbon polymer is present on the contact surface of at least either of the rotor (3) or the stator (2).
公开/授权文献
信息查询
0/0