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发明名称
RESONANCE FREQUENCY SENSING METHOD, RESONANCE FREQUENCY SELECTING METHOD, AND RESONANCE FREQUENCY SENSOR
摘要
申请公布号
EP1575332(A4)
申请公布日期
2008.05.14
申请号
EP20030777375
申请日期
2003.12.09
申请人
TOA CORPORATION
发明人
HIGASHIHARA, DAISUKE
分类号
G01R27/28;H04R3/00;G01H13/00;G01H17/00;G01R23/165;G10K15/00;H04R3/02
主分类号
G01R27/28
代理机构
代理人
主权项
地址
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