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发明名称
POLLING SYSTEM
摘要
申请公布号
JPH0927989(A)
申请公布日期
1997.01.28
申请号
JP19950174568
申请日期
1995.07.11
申请人
NEC CORP
发明人
HIGUCHI YASUSHI
分类号
H04Q9/00;H04L12/28;(IPC1-7):H04Q9/00
主分类号
H04Q9/00
代理机构
代理人
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地址
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