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经营范围
发明名称
TOKEN BUS SYSTEM
摘要
申请公布号
JPH0389742(A)
申请公布日期
1991.04.15
申请号
JP19890226781
申请日期
1989.09.01
申请人
NEC CORP
发明人
OKAWA KENZO
分类号
H04L12/40
主分类号
H04L12/40
代理机构
代理人
主权项
地址
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