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发明名称
BELL CAPACITANCE MEASURING CIRCUIT
摘要
申请公布号
GB8921652(D0)
申请公布日期
1989.11.08
申请号
GB19890021652
申请日期
1989.09.26
申请人
NORTHERN ENGINEERING INDUSTRIES PLC
发明人
分类号
G01R27/26;H04M1/24;H04M3/02;H04M3/30
主分类号
G01R27/26
代理机构
代理人
主权项
地址
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