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发明名称
Charging device for electrometers
摘要
申请公布号
US2944204(A)
申请公布日期
1960.07.05
申请号
US19570655443
申请日期
1957.04.26
申请人
THE PLESSEY COMPANY LIMITED
发明人
HERBERT JOHN M.
分类号
F23Q2/28;F23Q3/00;G01T1/142
主分类号
F23Q2/28
代理机构
代理人
主权项
地址
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