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发明名称
TESTING DEVICE FOR TELEPHONE LINE NETWORK
摘要
申请公布号
JPH0193242(A)
申请公布日期
1989.04.12
申请号
JP19880197817
申请日期
1988.08.08
申请人
GUREN DATSUSHIYU
发明人
GUREN DATSUSHIYU
分类号
H04M1/24;H04M3/18;H04M3/30
主分类号
H04M1/24
代理机构
代理人
主权项
地址
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