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经营范围
发明名称
Friction charger and dosimeter employing the same
摘要
申请公布号
US3017511(A)
申请公布日期
1962.01.16
申请号
US19580754305
申请日期
1958.08.11
申请人
LANDSVERK ELECTROMETER COMPANY
发明人
LANDSVERK OLE G.;GLODENIS ZENONAS
分类号
H01J47/04
主分类号
H01J47/04
代理机构
代理人
主权项
地址
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