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发明名称
CIRCUIT ARRANGEMENT FOR CENTRALLY CONTROLLED TELECOMMUNICATION EXCHANGES
摘要
申请公布号
CA2001528(A1)
申请公布日期
1990.04.28
申请号
CA19892001528
申请日期
1989.10.26
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
SCHLAG, RICHARD;SCHRODER, FRANZ
分类号
H04M3/22;H04M3/00;H04Q1/20;H04Q3/52;H04Q11/04
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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