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发明名称
DEVICE FOR DETECTING NUMBER OF ROTATIONS
摘要
申请公布号
JPH01134752(A)
申请公布日期
1989.05.26
申请号
JP19870292038
申请日期
1987.11.20
申请人
HITACHI LTD
发明人
ABE MASAYUKI
分类号
G01P3/486;G11B19/06;G11B19/20
主分类号
G01P3/486
代理机构
代理人
主权项
地址
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