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发明名称
Wave filter
摘要
申请公布号
US2183123(A)
申请公布日期
1939.12.12
申请号
US19340730139
申请日期
1934.06.11
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MASON WARREN P.
分类号
H01P1/202
主分类号
H01P1/202
代理机构
代理人
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地址
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