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发明名称
ROTATION DETECTOR
摘要
申请公布号
GB2069145(A)
申请公布日期
1981.08.19
申请号
GB19810003389
申请日期
1981.02.04
申请人
SONY CORP
发明人
分类号
G01P3/487;G11B15/473;(IPC1-7):G01P3/66;G01B7/30
主分类号
G01P3/487
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代理人
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