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发明名称
DISCRIMINATION CIRCUIT OF LOOP RESISTANCE OF SUBSCRIBER'S LINE
摘要
申请公布号
JPH0424570(A)
申请公布日期
1992.01.28
申请号
JP19900129749
申请日期
1990.05.18
申请人
FUJITSU LTD
发明人
ONODA YOSHIHIRO;KAJIWARA KOICHIRO
分类号
G01R27/16;H04M3/30
主分类号
G01R27/16
代理机构
代理人
主权项
地址
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