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发明名称
COMMUNICATION SYSTEM
摘要
申请公布号
JPH0369230(A)
申请公布日期
1991.03.25
申请号
JP19890205930
申请日期
1989.08.08
申请人
NEC CORP
发明人
OSHIMA IZUMI
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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