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发明名称
SURFACE ELECTROMETER
摘要
申请公布号
JPH05297041(A)
申请公布日期
1993.11.12
申请号
JP19920101333
申请日期
1992.04.21
申请人
RICOH CO LTD
发明人
OZAKI MOTOMI;TAKAHASHI JUNICHI;HORIGUCHI HIROYUKI
分类号
G01R29/12;(IPC1-7):G01R29/12
主分类号
G01R29/12
代理机构
代理人
主权项
地址
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