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经营范围
发明名称
Electrical dipole having a comparatively low direct current and a comparatively high alternating current impedance
摘要
申请公布号
US2801346(A)
申请公布日期
1957.07.30
申请号
US19560576171
申请日期
1956.04.04
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
RONGEN JACOBUS JOHANNES;ABBE HENRI HERMAN VAN
分类号
G05F1/56
主分类号
G05F1/56
代理机构
代理人
主权项
地址
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