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发明名称
AUTOMATIC CALIBRATION OF DIGITAL VOLTMETER
摘要
申请公布号
GB1402636(A)
申请公布日期
1975.08.13
申请号
GB19720027913
申请日期
1972.06.14
申请人
BRADLEY LTD G E
发明人
分类号
G01R19/252;H03M1/00;(IPC1-7):G01R19/26;H03K13/20
主分类号
G01R19/252
代理机构
代理人
主权项
地址
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