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发明名称
A ring transmission system
摘要
申请公布号
EP0332197(B1)
申请公布日期
1998.01.07
申请号
EP19890104217
申请日期
1989.03.09
申请人
FUJITSU LIMITED
发明人
NISHINO, TETSUO;ISONO, OSAMU;TACHIBANA, TETSUO;IWABUCHI, EISUKE;FUKUI, TOSHIMASA
分类号
H04M3/00;H04J3/00;H04J3/08;H04L12/42;H04Q11/04;(IPC1-7):H04L12/42
主分类号
H04M3/00
代理机构
代理人
主权项
地址
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