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发明名称
REMOTELY FED INTERMEDIATE AMPLIFIER FOR COMMUNICATION LINES
摘要
申请公布号
US4114107(A)
申请公布日期
1978.09.12
申请号
US19770795706
申请日期
1977.05.11
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
BAUCH, HELMUT;MOHRMANN, KARL HEINZ;KOPPEHELE, FRITHJOF
分类号
H04B3/36;H04B3/44;(IPC1-7):H03F3/60
主分类号
H04B3/36
代理机构
代理人
主权项
地址
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