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经营范围
发明名称
TRAVELLING-WAVE MOTOR
摘要
申请公布号
EP0294102(A3)
申请公布日期
1990.08.08
申请号
EP19880304777
申请日期
1988.05.26
申请人
SEIKO INSTRUMENTS INC.
发明人
KASUGA, MASAO
分类号
H01L41/09;H02N2/16;(IPC1-7):H01L41/08
主分类号
H01L41/09
代理机构
代理人
主权项
地址
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