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经营范围
发明名称
OPTICAL RING BUS CONTROL SYSTEM
摘要
申请公布号
JPH03171950(A)
申请公布日期
1991.07.25
申请号
JP19890309118
申请日期
1989.11.30
申请人
TOSHIBA CORP
发明人
KOSAKA TAKASHI
分类号
H04L12/42;H04L12/437
主分类号
H04L12/42
代理机构
代理人
主权项
地址
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