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发明名称
SPEED-CONTROLLING APPARATUS FOR DC MOTOR
摘要
申请公布号
US3609494(A)
申请公布日期
1971.09.28
申请号
USD3609494
申请日期
1968.11.14
申请人
HITACHI LTD.
发明人
TADASHI TAKAHASHI;KAZUO ONISHI
分类号
H02P7/288;(IPC1-7):H02P5/16
主分类号
H02P7/288
代理机构
代理人
主权项
地址
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