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发明名称
摘要
Electrical motor speed sensing circuitry comprises:
申请公布号
JPS547042(B1)
申请公布日期
1979.04.03
申请号
JP19720049227
申请日期
1972.05.19
申请人
发明人
分类号
G01P3/46;H02P5/50;H02P7/288;H02P7/29
主分类号
G01P3/46
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代理人
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