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发明名称
POTENTIAL MEASURING DEVICE
摘要
申请公布号
JPH06281681(A)
申请公布日期
1994.10.07
申请号
JP19930070228
申请日期
1993.03.29
申请人
RICOH CO LTD
发明人
KADONAGA MASAFUMI;TAKAHASHI TOMOKO;KATO TOMOKI
分类号
G01R19/00;G01R29/12;(IPC1-7):G01R29/12
主分类号
G01R19/00
代理机构
代理人
主权项
地址
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