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经营范围
发明名称
Circuit arrangement for charging or discharging condensers
摘要
申请公布号
US2507226(A)
申请公布日期
1950.05.09
申请号
US19470745964
申请日期
1947.05.05
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
SIEZEN GERRIT JAN
分类号
H03K4/12;H03K4/86
主分类号
H03K4/12
代理机构
代理人
主权项
地址
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