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发明名称
POLLING SYSTEM
摘要
申请公布号
JPH0530115(A)
申请公布日期
1993.02.05
申请号
JP19910178626
申请日期
1991.07.19
申请人
NEC CORP
发明人
SHIMADA FUMIO
分类号
H04L29/04;H04L12/40;H04L29/08;H04Q9/00
主分类号
H04L29/04
代理机构
代理人
主权项
地址
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