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发明名称
LINE MONITORING SYSTEM
摘要
申请公布号
JPH0870351(A)
申请公布日期
1996.03.12
申请号
JP19940203888
申请日期
1994.08.29
申请人
IRIICHI TSUSHIN KOGYO KK;NIPPON TELEGR & TELEPH CORP <NTT>
发明人
KASAHARA MAKOTO;HAMANAGA KOJI;MAEDA YOICHI;HARADA KAZUYUKI;SHIMATANI TAKUJI;MIYAI KENJI
分类号
H04M3/22;H04M3/30;(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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