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发明名称
DEVICE FOR POTENTIAL DIFFERENCE METER CALIBRATION IN A CONDUCTIVE MEDIUM
摘要
申请公布号
SU842664(A1)
申请公布日期
1981.06.30
申请号
SU19742013745
申请日期
1974.04.11
申请人
KLEKOVKIN VLADIMIR A,SU
发明人
KLEKOVKIN VLADIMIR A,SU
分类号
G01R35/00;(IPC1-7):G01R35/00
主分类号
G01R35/00
代理机构
代理人
主权项
地址
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