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经营范围
发明名称
Electrical resonator
摘要
申请公布号
US2426177(A)
申请公布日期
1947.08.26
申请号
US19440539668
申请日期
1944.06.10
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
CARLSON CARL P.;CHESNUT ROY W.;KNOWLTON ALFRED D.
分类号
H01P7/06
主分类号
H01P7/06
代理机构
代理人
主权项
地址
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