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经营范围
发明名称
SURFACE POTENTIONMETER
摘要
申请公布号
GB2009425(A)
申请公布日期
1979.06.13
申请号
GB19780043821
申请日期
1978.11.09
申请人
CANON KK
发明人
分类号
G01R29/12;G03G15/00;(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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