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发明名称
SYSTEM FOR TRANSFER CONTROL OF TELEPHONE LINE
摘要
申请公布号
KR20020019106(A)
申请公布日期
2002.03.09
申请号
KR1020017016556
申请日期
2001.12.24
申请人
发明人
分类号
H04Q7/24
主分类号
H04Q7/24
代理机构
代理人
主权项
地址
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