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经营范围
发明名称
PIEZOELECTRIC RESONATOR MEASURING DEVICE
摘要
申请公布号
JPH11142456(A)
申请公布日期
1999.05.28
申请号
JP19970302392
申请日期
1997.11.05
申请人
ADVANTEST CORP
发明人
WAKAMOTO SATORU
分类号
G01R29/22;G01N22/00;(IPC1-7):G01R29/22
主分类号
G01R29/22
代理机构
代理人
主权项
地址
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