Ring network for sharing protection resource by working communications paths,申请号EP19980122684-传众专利搜索

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发明名称	Ring network for sharing protection resource by working communications paths
摘要
申请公布号	EP0920153(B1)	申请公布日期	2006.07.12
申请号	EP19980122684	申请日期	1998.11.30
申请人	NEC CORPORATION	发明人	SHIRAGAKI, TATSUYA;HENMI, NAOYA;NISHIO, MAKOTO;TAKESHITA, HITOSHI;SHIMOMURA, HIROFUMI
分类号	H04J14/02;H04L12/437	主分类号	H04J14/02
代理机构		代理人
主权项
地址

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