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经营范围
发明名称
LINE TESTING SYSTEM
摘要
申请公布号
JPH02126759(A)
申请公布日期
1990.05.15
申请号
JP19880280073
申请日期
1988.11.04
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
SAEGUSA SABURO
分类号
H04M3/28;H04M3/26;H04M3/32
主分类号
H04M3/28
代理机构
代理人
主权项
地址
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