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发明名称
POWER-OFF DETECTION SYSTEM OF SUBSCRIBER'S PRIVATE TRANSMISSION EQUIPMENT
摘要
申请公布号
JPH0774822(A)
申请公布日期
1995.03.17
申请号
JP19930217450
申请日期
1993.09.01
申请人
NEC CORP
发明人
MATSUMOTO YOSHIHISA
分类号
H04M3/22;(IPC1-7):H04M3/22
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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