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经营范围
发明名称
DRIVING DEVICE FOR ULTRASONIC MOTOR
摘要
申请公布号
US5173631(A)
申请公布日期
1992.12.22
申请号
US19900601677
申请日期
1990.10.23
申请人
NIKON CORPORATION
发明人
SUGANUMA, RYOICHI
分类号
H02N2/00;H01L41/04;H02N2/14
主分类号
H02N2/00
代理机构
代理人
主权项
地址
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