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经营范围
发明名称
POTENTIAL SENSOR
摘要
申请公布号
JPH03100474(A)
申请公布日期
1991.04.25
申请号
JP19890238503
申请日期
1989.09.14
申请人
NEC CORP
发明人
AKIYAMA OSAMU
分类号
G01R29/12
主分类号
G01R29/12
代理机构
代理人
主权项
地址
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