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发明名称
SUBSCRIBER LINE TESTING SYSTEM
摘要
申请公布号
JPH0226450(A)
申请公布日期
1990.01.29
申请号
JP19880177426
申请日期
1988.07.15
申请人
NEC CORP
发明人
KAWARADA SATORU
分类号
H04M3/30;H04M1/24
主分类号
H04M3/30
代理机构
代理人
主权项
地址
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