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经营范围
发明名称
Radio apparatus
摘要
申请公布号
US2276933(A)
申请公布日期
1942.03.17
申请号
US19410413111
申请日期
1941.10.01
申请人
WELTRONIC CORPORATION
发明人
COLLOM CLETUS J.
分类号
H04B1/38
主分类号
H04B1/38
代理机构
代理人
主权项
地址
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