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发明名称
LENGTH-EXTENTIONAL QUARTZ RESONATOR
摘要
申请公布号
US5107164(A)
申请公布日期
1992.04.21
申请号
US19890355152
申请日期
1989.05.22
申请人
SEIKO ELECTRONIC COMPONENTS LTD.
发明人
KIMURA, FUMIO
分类号
H03H9/05;H03H9/19
主分类号
H03H9/05
代理机构
代理人
主权项
地址
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