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发明名称
Electronic impedance equalizer
摘要
申请公布号
US2589184(A)
申请公布日期
1952.03.11
申请号
US19490115421
申请日期
1949.09.13
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
ZINN MANVEL K.
分类号
H04B3/04;H04B3/14
主分类号
H04B3/04
代理机构
代理人
主权项
地址
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