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发明名称
AT CUT CRYSTAL RESONANCE PIECE
摘要
申请公布号
JPH04130812(A)
申请公布日期
1992.05.01
申请号
JP19900252260
申请日期
1990.09.21
申请人
SEIKO EPSON CORP
发明人
KARAKI EIJI
分类号
H03H9/13
主分类号
H03H9/13
代理机构
代理人
主权项
地址
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