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发明名称
SUBSCRIBER LINE TEST SYSTEM
摘要
申请公布号
JPH02292941(A)
申请公布日期
1990.12.04
申请号
JP19890113210
申请日期
1989.05.02
申请人
NEC CORP
发明人
TAKAHASHI YOSHIAKI
分类号
H04M3/30
主分类号
H04M3/30
代理机构
代理人
主权项
地址
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