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经营范围
发明名称
FAULTY LINE RECOVERY MONITORING SYSTEM
摘要
申请公布号
JPH0690282(A)
申请公布日期
1994.03.29
申请号
JP19910329627
申请日期
1991.11.20
申请人
HITACHI TELECOM TECHNOL LTD
发明人
HEBIISHI YOSHIHIRO
分类号
H04M3/00;H04M3/22;(IPC1-7):H04M3/22
主分类号
H04M3/00
代理机构
代理人
主权项
地址
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