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发明名称
Improvements relating to electronic voltmeters
摘要
申请公布号
GB723472(A)
申请公布日期
1955.02.09
申请号
GB19520022760
申请日期
1952.09.10
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
HARMER JOHN DAVID
分类号
G01R17/16
主分类号
G01R17/16
代理机构
代理人
主权项
地址
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