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经营范围
发明名称
Loop antenna apparatus
摘要
申请公布号
US2438680(A)
申请公布日期
1948.03.30
申请号
US19440559496
申请日期
1944.10.20
申请人
POLYDOROFF WLADIMIR J
发明人
POLYDOROFF WLADIMIR J.
分类号
H01Q7/06
主分类号
H01Q7/06
代理机构
代理人
主权项
地址
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