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发明名称
Schaltungsanordnung zum automatischen Ausregeln des Dämpfungsunterschiedes verschiedener amtsgespeister Fernsprechteilnehmeranschlüsse
摘要
申请公布号
CH401164(A)
申请公布日期
1965.10.31
申请号
CH19630006713
申请日期
1963.05.29
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
RITZ,HERMANN,DIPL.-PHYS.
分类号
H04M1/74;H04M1/76
主分类号
H04M1/74
代理机构
代理人
主权项
地址
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