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发明名称
Telephonanlage mit Einrichtung zum Übertragen von Signalisierungsimpulsen.
摘要
申请公布号
CH308154(A)
申请公布日期
1955.06.30
申请号
CHD308154
申请日期
1952.11.29
申请人
TESLA, NARODNI PODNIK
发明人
PODNIK TESLA, NARODNI
分类号
H04Q1/45
主分类号
H04Q1/45
代理机构
代理人
主权项
地址
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