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发明名称
INDIREKT STYRD FOERMEDLINGSANLAEGGNING SAERSKILT EN TELEFONCENTRAL
摘要
申请公布号
FI800799(A)
申请公布日期
1980.09.16
申请号
FI19800000799
申请日期
1980.03.14
申请人
SIEMENS AG
发明人
SORGENFREI HEIKO
分类号
H04Q3/555;H04Q3/68;(IPC1-7):H04Q/
主分类号
H04Q3/555
代理机构
代理人
主权项
地址
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