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发明名称
VARIABLE FIELD RATE CONTROL SYSTEM OF DC MOTOR
摘要
申请公布号
JPS52145723(A)
申请公布日期
1977.12.05
申请号
JP19760062358
申请日期
1976.05.31
申请人
HITACHI LTD
发明人
HORIE TATSUROU
分类号
H02P3/14;B60L7/12;B60L7/22
主分类号
H02P3/14
代理机构
代理人
主权项
地址
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