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经营范围
发明名称
DEVICE FOR TESTING SUBSCRIBER'S LINE
摘要
申请公布号
JPH08265425(A)
申请公布日期
1996.10.11
申请号
JP19950069771
申请日期
1995.03.28
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
KAKINUMA RIYUUMA;YAMANO SEIICHI
分类号
H04M3/30;(IPC1-7):H04M3/30
主分类号
H04M3/30
代理机构
代理人
主权项
地址
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