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发明名称
CHANNEL PROTECTION SYSTEM FOR SUBSCRIBER TRANSMISSION SYSTEM
摘要
申请公布号
JPH1141254(A)
申请公布日期
1999.02.12
申请号
JP19970207343
申请日期
1997.07.16
申请人
NEC CORP
发明人
NEZU TOSHIYA
分类号
H01L27/04;H01L21/822;H04L12/28;H04M3/22;H04Q3/42;H04Q3/545;(IPC1-7):H04L12/28
主分类号
H01L27/04
代理机构
代理人
主权项
地址
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