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经营范围
发明名称
Device for fastening insulating spacers in concentric transmission lines
摘要
申请公布号
US2335591(A)
申请公布日期
1943.11.30
申请号
US19410406804
申请日期
1941.08.14
申请人
RADIO CORPORATION OF AMERICA
发明人
HANSELL CLARENCE W.
分类号
H01B11/18
主分类号
H01B11/18
代理机构
代理人
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地址
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