METHOD AND APPARATUS FOR DETECTING FAULT IN RING NETWORK DATA TRANSMISSION SYSTEM,申请号EP19880102566-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR DETECTING FAULT IN RING NETWORK DATA TRANSMISSION SYSTEM
摘要
申请公布号	EP0280231(A3)	申请公布日期	1990.08.16
申请号	EP19880102566	申请日期	1988.02.22
申请人	HITACHI, LTD.;HITACHI PROCESS COMPUTER ENGINEERING, INC.	发明人	HAMADA, TAKUJI;TAKAHASHI, MASAHIRO;YONEDA, KATSUHIKO;ONUKI, KEN;UCHIYAMA, TOSHIHIKO
分类号	H04L12/437;(IPC1-7):H04L11/16	主分类号	H04L12/437
代理机构		代理人
主权项
地址

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