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发明名称
Communication system having interconnected line-switched and path-switched ring transmission systems
摘要
申请公布号
EP0654922(B1)
申请公布日期
2006.07.19
申请号
EP19940307455
申请日期
1994.10.12
申请人
AT&T CORP.
发明人
KREMER, WILHELM
分类号
H04L12/46;H04J3/08;H04Q11/04
主分类号
H04L12/46
代理机构
代理人
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