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发明名称
Electrical wave filter
摘要
申请公布号
US2024576(A)
申请公布日期
1935.12.17
申请号
US19330704442
申请日期
1933.12.29
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
GROSSMAN ALEXANDER J.
分类号
H03H7/01
主分类号
H03H7/01
代理机构
代理人
主权项
地址
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