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发明名称
Gebührenanzeiger für ISDN-Vermittlungssysteme
摘要
申请公布号
DE3716141(C2)
申请公布日期
1994.10.27
申请号
DE19873716141
申请日期
1987.05.14
申请人
WILHELM RUTENBECK GMBH & CO, 58579 SCHALKSMUEHLE, DE
发明人
HEYKANTS, MARTIN, DIPL.-PHYS., 58579 SCHALKSMUEHLE, DE
分类号
H04M15/28;H04M19/08;H04Q11/04;(IPC1-7):H04M15/28;H04M15/38
主分类号
H04M15/28
代理机构
代理人
主权项
地址
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