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发明名称
Schaltungsanordnung fuer doppelt gerichtete Fernmelde-,insbesondere Fernsprechleitungen
摘要
申请公布号
DE1462328(A1)
申请公布日期
1968.11.21
申请号
DE19651462328
申请日期
1965.09.30
申请人
SIEMENS AG
发明人
BIRLMEIER,JOSEF
分类号
H04M7/10;H04Q3/00
主分类号
H04M7/10
代理机构
代理人
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地址
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