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经营范围
发明名称
METHOD AND DEVICES FOR DIALLING SERVICES
摘要
申请公布号
KR20020065539(A)
申请公布日期
2002.08.13
申请号
KR1020027006817
申请日期
2002.05.28
申请人
发明人
分类号
H04B7/26
主分类号
H04B7/26
代理机构
代理人
主权项
地址
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