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经营范围
发明名称
Static and interference eliminator for radio apparatus
摘要
申请公布号
US1949440(A)
申请公布日期
1934.03.06
申请号
US19290383128
申请日期
1929.08.02
申请人
WILDER JOHN M
发明人
WILDER JOHN M.
分类号
H04B7/12
主分类号
H04B7/12
代理机构
代理人
主权项
地址
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