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经营范围
发明名称
TELEPHONE SYSTEM
摘要
申请公布号
EP0106247(B1)
申请公布日期
1989.12.20
申请号
EP19830109822
申请日期
1983.09.30
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
SCHMID, EBERHARD, DR.-ING.
分类号
H04M3/02;H04Q3/42;H04M19/00
主分类号
H04M3/02
代理机构
代理人
主权项
地址
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