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发明名称
Microwave filter
摘要
申请公布号
US2540488(A)
申请公布日期
1951.02.06
申请号
US19480024257
申请日期
1948.04.30
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MUMFORD WILLIAM W.
分类号
H01P1/208
主分类号
H01P1/208
代理机构
代理人
主权项
地址
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