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经营范围
发明名称
Electrical coupling system
摘要
申请公布号
US2154692(A)
申请公布日期
1939.04.18
申请号
US19370121424
申请日期
1937.01.21
申请人
RADIO CORPORATION OF AMERICA
发明人
MOUNTJOY GARRARD
分类号
H04B1/10
主分类号
H04B1/10
代理机构
代理人
主权项
地址
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